{
  "roll":{
    "antonyms":[
      "unroll"
    ],
    "definitions":{
      ": a cylindrical twist of tobacco":[],
      ": a flexible case (as of leather) in which articles may be rolled and fastened by straps or clasps":[
        "jewelry roll"
      ],
      ": a flight maneuver in which a complete revolution about the longitudinal axis of an airplane is made with the horizontal direction of flight being approximately maintained":[],
      ": a hairstyle in which some or all of the hair is rolled or curled up or under":[],
      ": a heavy reverberatory sound":[
        "the roll of cannon"
      ],
      ": a list of members of a school or class or of members of a legislative body":[],
      ": a list of names or related items : catalog":[],
      ": a manuscript book":[],
      ": a quantity (as of fabric or paper) rolled up to form a single package":[],
      ": a roll of paper on which music for a player piano is recorded in perforations which actuate the keys":[],
      ": a rolling movement or an action or process involving such movement":[
        "a roll of the dice",
        "an airplane's takeoff roll"
      ],
      ": a side-to-side movement (as of a ship or train)":[],
      ": a somersault executed in contact with the ground":[],
      ": a sonorous and often rhythmical flow of speech":[],
      ": a sound produced by rapid strokes on a drum":[],
      ": a swaying movement of the body":[],
      ": an official list":[
        "the voter rolls"
      ],
      ": bankroll":[],
      ": bowl sense 1":[],
      ": in the midst of a series of successes : on a hot streak":[
        "\u2014 sometimes used with a modifier has been on a brilliant roll"
      ],
      ": muster roll":[],
      ": paper money folded or rolled into a wad":[],
      ": something that is rolled up into a cylinder or ball or rounded as if rolled":[
        "rolls of fat"
      ],
      ": something that performs a rolling action or movement : roller":[],
      ": such as":[
        "a roll of the dice",
        "an airplane's takeoff roll"
      ],
      ": the motion of an aircraft or spacecraft about its longitudinal axis":[],
      ": to adjust to things as they happen":[],
      ": to assume a risk by taking action":[
        "rolled the dice when they bought those stocks"
      ],
      ": to become carried on a stream":[],
      ": to cause to begin operating or moving":[
        "roll the cameras"
      ],
      ": to cause to move in a circular manner":[
        "they rolled their eyes at the absurdity"
      ],
      ": to cause to move in a given direction by or as if by turning a crank":[
        "rolled down the window"
      ],
      ": to cause to revolve by turning over and over on or as if on an axis":[],
      ": to combine so as to comprise one entity":[
        "\u2014 usually used in the phrase rolled into one a shopping center, amusement park, and nightclub all rolled into one"
      ],
      ": to execute a somersault":[],
      ": to flow as part of a stream of words or sounds":[
        "the names roll off your tongue"
      ],
      ": to flow in a continuous stream : pour":[
        "money was rolling in"
      ],
      ": to form into a mass by turning over and over":[],
      ": to get underway : begin to move or operate":[],
      ": to go forward in an easy, gentle, or undulating manner":[
        "the waves rolled in"
      ],
      ": to have an undulating contour":[
        "rolling prairie"
      ],
      ": to impel forward by causing to turn over and over on a surface":[],
      ": to impel forward with an easy continuous motion":[],
      ": to lie extended : stretch":[],
      ": to luxuriate in an abundant supply : wallow":[
        "fairly rolling in money"
      ],
      ": to make a continuous beating sound upon : sound a roll upon":[
        "rolled their drums"
      ],
      ": to make a deep reverberating sound":[
        "the thunder rolls"
      ],
      ": to move about : roam , wander":[],
      ": to move along a surface by rotation without sliding":[],
      ": to move on rollers or wheels":[
        "rolled the patient into the operating room"
      ],
      ": to move on wheels":[],
      ": to move onward or around as if by completing a revolution : elapse , pass":[
        "the months roll on"
      ],
      ": to move so as to lessen the impact of blows":[],
      ": to play (a chord) in arpeggio style":[],
      ": to press, spread, or level with a roller : make smooth, even, or compact":[
        "hulled and rolled oats",
        "roll paint",
        "\u2014 often used with out rolled out the dough"
      ],
      ": to put a wrapping around : enfold , envelop":[],
      ": to respond to rolling in a specified way":[],
      ": to revolve on an axis":[],
      ": to run toward one flank usually parallel to the line of scrimmage especially before throwing a pass":[
        "\u2014 often used with out"
      ],
      ": to shift the gaze continually":[
        "eyes rolling in terror"
      ],
      ": to shoot craps":[],
      ": to sound with a full reverberating tone":[
        "rolled out the words"
      ],
      ": to swing from side to side":[
        "the ship heaved and rolled"
      ],
      ": to take the form of a cylinder or ball":[],
      ": to travel in a vehicle":[
        "rolling north on the highway"
      ],
      ": to turn over and over":[
        "the children rolled in the grass"
      ],
      ": to utter with a trill":[
        "rolled his r 's"
      ],
      ": to walk with a swinging gait : sway":[],
      ": trill":[]
    },
    "examples":[
      "Verb",
      "The children rolled down the hill.",
      "The ball rolled slowly to a stop.",
      "Roll the chicken wings in the batter.",
      "The paramedics rolled him onto the gurney.",
      "The car rolled slowly to a stop.",
      "A police car rolled up next to us.",
      "The children rolled the toy car to each other.",
      "The patient was rolled into the emergency room.",
      "The fog soon rolled away."
    ],
    "first_known_use":{
      "13th century, in the meaning defined at sense 1a(1)":"Noun",
      "14th century, in the meaning defined at sense 3":"Verb",
      "1688, in the meaning defined at sense 1c":"Noun"
    },
    "history_and_etymology":{
      "Middle English rolle , from Anglo-French roule, rolle , from Medieval Latin rolla , alteration of rotula , from Latin, diminutive of rota wheel; akin to Old High German rad wheel, Welsh rhod , Sanskrit ratha wagon":"Noun",
      "Middle English, from Anglo-French rouler, roller , from roele wheel, rowel & roule roll":"Verb"
    },
    "pronounciation":[
      "\u02c8r\u014dl"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "agglomerate",
      "ball",
      "round",
      "wad"
    ],
    "time_of_retrieval":"20220707-002858",
    "type":[
      "noun",
      "verb"
    ]
  },
  "roll back":{
    "antonyms":[],
    "definitions":{
      ": rescind":[
        "attempted to roll back antipollution standards"
      ],
      ": the act or an instance of rolling back":[
        "a government-ordered rollback of gasoline prices"
      ],
      ": to cause to retreat or withdraw : push back":[],
      ": to reduce (something, such as a commodity price) to or toward a previous level on a national scale":[]
    },
    "examples":[
      "Noun",
      "a government-ordered rollback of gasoline prices",
      "a rollback in environmental regulations",
      "a rollback of previous wage concessions",
      "Verb",
      "lobbyists for the industry pressured the legislators to roll back the new automotive safety standards",
      "Recent Examples on the Web: Noun",
      "Tracking the scope of government will increasingly pose a challenge, as a progressive savior mentality cannot be useful in pursuit of regulatory oversight, mitigation, rollback , and sunset of government excess. \u2014 Clyde Wayne Crews Jr., Forbes , 28 June 2022",
      "The lightbulb rollback was part of the Trump administration\u2019s government-wide war on federal regulations. \u2014 Anna Phillips, Anchorage Daily News , 26 Apr. 2022",
      "The Trump administration\u2019s rollback of auto emission standards was one of the most overt examples of its anti-science agenda. \u2014 Los Angeles Times , 21 Apr. 2021",
      "Economists see little evidence that Mr. Trump\u2019s rollback of climate change rules bolstered the economy. \u2014 Coral Davenport, New York Times , 9 Nov. 2020",
      "With seemingly endless sales and rollback prices, the department store is a wonderful option for updating your home on a budget. \u2014 Anna Logan, Country Living , 23 May 2022",
      "By the way, broadband investment slumped from 2018 to 2019, while Trump\u2019s rollback of telecom regulation was in full cry, by even more in dollar terms than in 2015-2016. \u2014 Michael Hiltzik, Los Angeles Times , 19 May 2022",
      "Already there have been dire effects of the current rollback . \u2014 Washington Post , 20 Apr. 2022",
      "After Trump\u2019s rollback , California adopted its own light bulb standards that withstood a legal challenge from the industry. \u2014 Michael Smolenscolumnist, San Diego Union-Tribune , 29 Apr. 2022"
    ],
    "first_known_use":{
      "1937, in the meaning defined above":"Noun",
      "1942, in the meaning defined at sense 2":"Verb"
    },
    "history_and_etymology":{},
    "pronounciation":[
      "\u02c8r\u014dl-\u02ccbak"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "abate",
      "abolish",
      "abrogate",
      "annul",
      "avoid",
      "cancel",
      "disannul",
      "dissolve",
      "invalidate",
      "negate",
      "null",
      "nullify",
      "quash",
      "repeal",
      "rescind",
      "strike down",
      "vacate",
      "void"
    ],
    "time_of_retrieval":"20220706-171840",
    "type":[
      "noun",
      "verb"
    ]
  },
  "roll call":{
    "antonyms":[],
    "definitions":{
      ": list entry 1":[]
    },
    "examples":[
      "Two students missed roll call .",
      "the roll call of the fallen was read aloud at the memorial service",
      "Recent Examples on the Web",
      "That afternoon, Miles had been pulled out of roll call along with another officer; a sergeant told the two to go arrest some kids at Hobgood. \u2014 Ken Armstrong, ProPublica , 8 Oct. 2021",
      "None of the men return, and, barely ahead of the roll call , Volkogonov flees the building, leaving Veretennikov to an ugly fate \u2014 an act that will come back literally to haunt him. \u2014 Jessica Kiang, Variety , 10 Sep. 2021",
      "Brink was confirmed unanimously by the Senate without a formal roll call vote. \u2014 Celina Tebor, USA TODAY , 19 May 2022",
      "She was confirmed by the Senate unanimously without a formal roll call vote. \u2014 NBC News , 19 May 2022",
      "Rose ceremony roll call : Sarah, Marlena, Genevieve, Mara, Gabby, Susie, Eliza, Hunter, and Shanae join Rachel, Teddi, and Serene in the Circle of Safety\u2122. \u2014 Kristen Baldwin, EW.com , 8 Feb. 2022",
      "That story, like multiple episodes of The Mandalorian including the second season premiere, involves a roll call of Tatooine favorites, including Tusken raiders, banthas, a red Rodian (like Greedo, only, well, red) and more. \u2014 Daniel Fienberg, The Hollywood Reporter , 29 Dec. 2021",
      "About roll call , where commanders read names alphabetically. \u2014 Keith Bierygolick, The Enquirer , 11 Nov. 2021",
      "This year\u2019s edition of the Dia de los Muertos festival features expanded altar sites, as well as a nightly artist mercado, food trucks, a memorial roll call , music, and a beer garden with Modelo beer and Hornitos margaritas. \u2014 al , 4 Nov. 2021"
    ],
    "first_known_use":{
      "1763, in the meaning defined at sense 1":""
    },
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[
      "canon",
      "catalog",
      "catalogue",
      "checklist",
      "list",
      "listing",
      "menu",
      "register",
      "registry",
      "roll",
      "roster",
      "schedule",
      "table"
    ],
    "time_of_retrieval":"20220707-082440",
    "type":[
      "noun"
    ]
  },
  "roll in":{
    "antonyms":[],
    "definitions":{
      ": to appear or arrive in large numbers or amounts":[
        "The money has been rolling in ."
      ],
      ": to arrive at a place especially later than usual or expected":[
        "He finally rolled in at 3:30 in the morning."
      ]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-074500",
    "type":[
      "phrasal verb"
    ]
  },
  "roll on":{
    "antonyms":[],
    "definitions":{
      ": rubbed or spread on the body with a bottle that has a rolling ball set into its top":[
        "a roll-on deodorant"
      ],
      ": something (as deodorant) that is rubbed or spread on the body with a bottle that has a rolling ball set into its top":[
        "deodorants sold as roll-ons , sprays, or sticks"
      ]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-192022",
    "type":[
      "adjective",
      "idiom",
      "noun"
    ]
  },
  "roll one's r's":{
    "antonyms":[],
    "definitions":{
      ": to pronounce the sound /r/ with a trill":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-191002",
    "type":[
      "idiom"
    ]
  },
  "roll out":{
    "antonyms":[
      "bed (down)",
      "retire",
      "turn in"
    ],
    "definitions":{
      ": a football play in which the quarterback rolls to the left or right":[],
      ": to get out of bed":[],
      ": to introduce (something, such as a new product) especially for widespread sale to the public":[]
    },
    "examples":[
      "Noun",
      "the national rollout of a new wireless service",
      "Verb",
      "you'll have to roll out by at least 8:00 a.m. in order to get there on time",
      "Recent Examples on the Web: Noun",
      "Though this could cause a short-term decline in total viewing hours, this quality over quantity rollout could also entice subscribers to stay put. \u2014 Dana Feldman, Forbes , 29 June 2022",
      "Drizzy announced the album six hours before its midnight drop with no single or rollout in sight. \u2014 Billboard Staff, Billboard , 28 June 2022",
      "The rollout in Nigeria started in March this year as a pilot with 500 bookings so far in Lagos. \u2014 Alexander Onukwue, Quartz , 24 June 2022",
      "Some companies have taken similar positions on vaccinating the youngest Americans during the initial rollout . \u2014 Timothy Bella, Washington Post , 23 June 2022",
      "For studios looking to use their blockbuster titles to build worldwide streaming businesses, the French restrictions can disrupt global rollout and marketing plans. \u2014 Scott Roxborough, The Hollywood Reporter , 23 June 2022",
      "This sort of approach to working with great local partners spans free and pay. Give me a snapshot of your rollout plan. \u2014 Nick Vivarelli, Variety , 20 June 2022",
      "Covid-19 and an intellectual property dispute with BAT have also slowed the brand\u2019s rollout . \u2014 Carol Ryan, WSJ , 19 June 2022",
      "Here's what parents should know about their vaccine options, the rollout timeline and expected side effects of the shots. \u2014 Aria Bendix, NBC News , 17 June 2022",
      "Recent Examples on the Web: Verb",
      "Netflix will reportedly widely roll out an extra fee for sharing accounts with people in other households around the same time. \u2014 Jon Brodkin, Ars Technica , 23 June 2022",
      "The film will roll out in theaters in January across international territories. \u2014 Elsa Keslassy, Variety , 13 June 2022",
      "Apple will also roll out a new payments system in a few weeks that lets users pay somebody by simply tapping iPhones together. \u2014 Gene Marks, Forbes , 13 June 2022",
      "In the coming months, the apparel brand will roll out collaborations with Balenciaga, the Parisian fashion house, as well as Denim Tears, the brand run by Supreme creative director Tremaine Emory. \u2014 Jacob Gallagher, WSJ , 13 June 2022",
      "After the first episode premieres on June 2 at 9 p.m. PT, subsequent episodes of the series will roll out on Tuesdays and Thursdays at 9 p.m. PT from the @Jercho1 and @pearpopofficial TikTok accounts. \u2014 J. Clara Chan, The Hollywood Reporter , 2 June 2022",
      "Second, the medical college association will roll out new competency standards for existing medical students, residents, and doctors related to diversity, equity, and inclusion in June. \u2014 Lauren Sausser, NBC News , 21 May 2022",
      "Uber will roll out two pilot programs in Los Angeles where Uber Eats deliveries will be completed without a human driver. \u2014 Brett Molina, USA TODAY , 16 May 2022",
      "Virtual cards will roll out this summer \u2014 initially only for US users with Visa, American Express and Capital One credit cards. \u2014 Rishi Iyengar, CNN , 11 May 2022"
    ],
    "first_known_use":{
      "1884, in the meaning defined at intransitive sense":"Verb",
      "1947, in the meaning defined at sense 1":"Noun"
    },
    "history_and_etymology":{},
    "pronounciation":[
      "\u02c8r\u014dl-\u02ccau\u0307t"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "arise",
      "get up",
      "rise",
      "turn out",
      "uprise"
    ],
    "time_of_retrieval":"20220707-010508",
    "type":[
      "noun",
      "verb"
    ]
  },
  "roll up":{
    "antonyms":[
      "contract",
      "decrease",
      "diminish",
      "dwindle",
      "lessen",
      "recede",
      "wane"
    ],
    "definitions":{
      ": to arrive in a vehicle":[],
      ": to become larger by successive accumulations":[],
      ": to increase or acquire by successive accumulations : accumulate":[
        "rolled up a large majority"
      ]
    },
    "examples":[
      "ticket sales are expected to roll up as the date of the concert nears",
      "Recent Examples on the Web",
      "In Birmingham, where guns roll up and down Interstate 20 faster than 18 wheelers. \u2014 Roy S. Johnson | Rjohnson@al.com, al , 26 May 2022",
      "Pescatori del Trasimeno -- where fishermen themselves roll up their sleeves and cook classic dishes of the lake, alongside their partners. \u2014 Julia Buckley, CNN , 12 May 2022",
      "There's also a driver's-side airbag, air conditioning, a scrunchy black soft top, windows that roll up and down, and absolutely immaculate Geo hubcaps. \u2014 Clifford Atiyeh, Car and Driver , 6 Apr. 2022",
      "In addition to the suits, which are produced in Timmer\u2019s native Netherlands, a South African outpost produces Shelterbags\u2014portable beds with a sleeping bag and pillow that roll up into a functional backpack. \u2014 Annie Davidson, Robb Report , 22 Mar. 2022",
      "The space on Old River Road has been transformed, offering a 280-capacity venue with a large back patio facing the Cuyahoga River and garage doors that can roll up in the summer. \u2014 Anne Nickoloff, cleveland , 15 Mar. 2022",
      "With covered tops that roll up or close, these desks offer both visual interest and storage. \u2014 Helen Carefoot, BostonGlobe.com , 6 Mar. 2022",
      "Think large-screen televisions that could roll up when not in use, or form-fit screens that wrap around smart speakers or the corners of a room. \u2014 Boone Ashworth, Wired , 8 Feb. 2022",
      "With covered tops that roll up or close, these desks offer both visual interest and storage. \u2014 Washington Post , 13 Oct. 2021"
    ],
    "first_known_use":{
      "1822, in the meaning defined at intransitive sense 2":""
    },
    "history_and_etymology":{},
    "pronounciation":[
      "\u02c8r\u014dl-\u02cc\u0259p"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "accelerate",
      "accumulate",
      "appreciate",
      "balloon",
      "boom",
      "build up",
      "burgeon",
      "bourgeon",
      "climb",
      "enlarge",
      "escalate",
      "expand",
      "gain",
      "increase",
      "mount",
      "multiply",
      "mushroom",
      "proliferate",
      "rise",
      "snowball",
      "spread",
      "swell",
      "wax"
    ],
    "time_of_retrieval":"20220707-033616",
    "type":[
      "noun",
      "verb"
    ]
  },
  "roll up one's sleeves":{
    "antonyms":[],
    "definitions":{
      ": to fold up the ends of one's shirt sleeves to make them shorter":[],
      ": to prepare to work hard":[
        "It's time to roll up our sleeves and get the job done."
      ]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-191705",
    "type":[
      "idiom"
    ]
  },
  "roller jewel":{
    "antonyms":[],
    "definitions":{
      ": a usually ruby or sapphire pin set upright in the roller disk and pushed by the pallet fork":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-181319",
    "type":[
      "noun"
    ]
  },
  "roller leather":{
    "antonyms":[],
    "definitions":{
      ": vegetable-tanned leather from sheep, lamb, or calf skins used for covering the rollers of textile machinery":[]
    },
    "examples":[],
    "first_known_use":{},
    "history_and_etymology":{},
    "pronounciation":[],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-194504",
    "type":[
      "noun"
    ]
  },
  "rollick":{
    "antonyms":[],
    "definitions":{
      ": to move or behave in a carefree joyous manner : frolic":[]
    },
    "examples":[
      "an educator who realized that children need to rollick as well as to study and learn",
      "Recent Examples on the Web",
      "Lured by its lively reputation, tourists like to pile into the Kitzloch bar for rollicking music and filling Teutonic food after a long day hitting the slopes in the Austrian Alps. \u2014 Christiaan Hetzner, Fortune , 28 Mar. 2020",
      "Brad Paisley kicks things off with his first variety special, a rollicking romp through comedy, song and the wild streets of Nashville. \u2014 Nancy Kruh, PEOPLE.com , 3 Dec. 2019",
      "There are no rollicking , fun-time tracks on Ghosteen. \u2014 Lars Brandle, Billboard , 4 Oct. 2019",
      "In the spare, rollicking adaptation by Lisa Peterson and Denis O\u2019Hare, Flanagan narrated the events of the Trojan War, playing some 54 characters, from the fearsome Greek warrior Achilles to his nemesis, Hector, a prince of Troy. \u2014 Andrea Simakis, cleveland , 28 Dec. 2019",
      "Restaurants and bars were open, and people sat together at tables, somehow rollicking with laughter. \u2014 Washington Post , 5 Dec. 2019",
      "First came the novel The Nuclear Age, a rollicking book about one man and family\u2019s attempts to reconcile everyday life with The Bomb. \u2014 Matt Gallagher, Time , 10 Oct. 2019",
      "The rest of Jung\u2019s incisive, rollicking profile situates Bong\u2019s identity in contemporary culture as both vital and iconoclastic. \u2014 Longreads , 18 Dec. 2019",
      "His marriages could seem like interruptions to Mr. Evans\u2019s rollicking bachelor life, around which legends grew. \u2014 Paul Brownfield, Washington Post , 28 Oct. 2019"
    ],
    "first_known_use":{
      "circa 1837, in the meaning defined above":""
    },
    "history_and_etymology":{
      "origin unknown":""
    },
    "pronounciation":[
      "\u02c8r\u00e4-lik"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "dally",
      "disport",
      "frolic",
      "play",
      "recreate",
      "skylark",
      "sport",
      "toy"
    ],
    "time_of_retrieval":"20220706-201317",
    "type":[
      "noun",
      "verb"
    ]
  },
  "rollicker":{
    "antonyms":[],
    "definitions":{
      ": one that rollicks : a boisterous person":[]
    },
    "examples":[],
    "first_known_use":{
      "1837, in the meaning defined above":""
    },
    "history_and_etymology":{},
    "pronounciation":[
      "-k\u0259(r)"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220706-112150",
    "type":[
      "noun"
    ]
  },
  "rollicking":{
    "antonyms":[
      "orderly"
    ],
    "definitions":{
      ": boisterously carefree, joyful, or high-spirited":[
        "a rollicking adventure film"
      ]
    },
    "examples":[
      "We had a rollicking good time.",
      "reunions with his friends from college were usually rollicking affairs",
      "Recent Examples on the Web",
      "Rodrigo won three in total, actually, including best new artist, capping off a rollicking 15-month stretch. \u2014 New York Times , 6 Apr. 2022",
      "It\u2019s a rollicking , joyful piece, and from the opening bars Mir\u00f3 played with a unity that was almost disorienting. \u2014 Elizabeth Nonemaker, baltimoresun.com , 15 Nov. 2021",
      "Ghost Hounds opened Saturday\u2019s show with a rollicking 45 minute performance showcasing cuts from their latest studio album, September\u2019s A Little Calamity. \u2014 Jim Ryan, Forbes , 11 Oct. 2021",
      "In her formally experimental series of autobiographies, Deborah Levy takes a rollicking , intimate journey through the challenges of motherhood and writing. \u2014 Kirsten Denker, The New Republic , 31 Aug. 2021",
      "Dressed in full wigs, makeup and their signature, skintight costumes, co-founders Paul Stanley and Gene Simmons took the stage with guitarist Tommy Thayer and drummer Eric Singer for a rollicking , bombastic set. \u2014 Patrick Ryan, USA TODAY , 12 June 2021",
      "In the rollicking Senate District 26 GOP primary, state Rep. Bill Reineke won handily over Melissa Ackison. \u2014 Jeremy Pelzer, cleveland , 29 Apr. 2020",
      "Alamo Drafthouse is giving it the movie party treatment, complete with props and surprises to bring the rollicking action onscreen to vivid life inside the theater. \u2014 Hunter Johnson, Dallas News , 27 Feb. 2020",
      "The initiative kicks off April 2 with Richard Bean's One Man, Two Guvnors, a rollicking update of Carlo Goldoni's commedia dell'arte classic, The Servant of Two Masters, relocated to the English seaside town of Brighton in 1963. \u2014 David Rooney, The Hollywood Reporter , 26 Mar. 2020"
    ],
    "first_known_use":{
      "1811, in the meaning defined above":""
    },
    "history_and_etymology":{},
    "pronounciation":[
      "\u02c8r\u00e4-li-ki\u014b"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "boisterous",
      "hell-raising",
      "knockabout",
      "rambunctious",
      "raucous",
      "robustious",
      "roisterous",
      "rowdy",
      "rumbustious"
    ],
    "time_of_retrieval":"20220707-035420",
    "type":[
      "adjective"
    ]
  },
  "rollicksome":{
    "antonyms":[],
    "definitions":{
      ": rollicking":[]
    },
    "examples":[],
    "first_known_use":{
      "1841, in the meaning defined above":""
    },
    "history_and_etymology":{},
    "pronounciation":[
      "-ks\u0259m"
    ],
    "synonym_discussion":"",
    "synonyms":[],
    "time_of_retrieval":"20220707-052212",
    "type":[
      "adjective",
      "noun,"
    ]
  },
  "roly-poly":{
    "antonyms":[
      "lean",
      "skinny",
      "slender",
      "slim",
      "spare",
      "thin"
    ],
    "definitions":{
      ": a roly-poly person or thing":[],
      ": a sweet dough spread with a filling, rolled, and baked or steamed":[],
      ": being short and pudgy : rotund":[]
    },
    "examples":[],
    "first_known_use":{
      "1820, in the meaning defined above":"Adjective",
      "1836, in the meaning defined at sense 1":"Noun"
    },
    "history_and_etymology":{
      "reduplication of roly , from roll entry 2":"Adjective"
    },
    "pronounciation":[
      "\u02ccr\u014d-l\u0113-\u02c8p\u014d-l\u0113"
    ],
    "synonym_discussion":"",
    "synonyms":[
      "blubbery",
      "chubby",
      "corpulent",
      "fat",
      "fleshy",
      "full",
      "gross",
      "lardy",
      "obese",
      "overweight",
      "plump",
      "podgy",
      "portly",
      "pudgy",
      "replete",
      "rotund",
      "round",
      "tubby"
    ],
    "time_of_retrieval":"20220706-183532",
    "type":[
      "adjective",
      "noun"
    ]
  },
  "roll film":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a strip of film for still camera use wound on a spool":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Sales of Kodak roll film doubled from 2014 to 2019 and the value of used film cameras has skyrocketed. \u2014 San Diego Union-Tribune , 3 Jan. 2022",
      "In her appreciation of Ellis after his death in 1989, Post photographer Linda Wheeler wrote that even after photojournalists switched from sheet film to roll film , Ellis preferred to load his 35mm Nikons with 20-frame rolls. \u2014 John Kelly, Washington Post , 23 May 2018"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1895, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-194808"
  },
  "roll-over arm":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a fully upholstered chair or sofa arm curving outward from the seat":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1925, in the meaning defined above":""
    },
    "time_of_retrieval":"20220708-205855"
  },
  "rollover":{
    "type":[
      "noun",
      "transitive verb",
      "verb"
    ],
    "definitions":{
      ": the act or process of rolling over":[],
      ": a motor vehicle accident in which the vehicle overturns":[],
      ": to defer payment of (an obligation)":[],
      ": to renegotiate the terms of (a financial agreement)":[],
      ": to place (invested funds) in a new investment of the same kind":[
        "roll over IRA funds"
      ]
    },
    "pronounciation":[
      "\u02c8r\u014dl-\u02cc\u014d-v\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web: Noun",
      "Two people died in a rollover crash in Webster Sunday morning, State Police said. \u2014 Globe Staff, BostonGlobe.com , 27 June 2022",
      "Police were called to the scene of a one-vehicle rollover crash June 18 involving a golf cart driven on the road by a Canton boy, 13. \u2014 Joan Rusek, cleveland , 22 June 2022",
      "An adult and seven children were hospitalized Sunday, with at least four of the juveniles suffering serious injuries, following an early morning rollover crash near Hoffman Estates, according to Illinois State Police. \u2014 Chicago Tribune Staff, Chicago Tribune , 12 June 2022",
      "Here is a brief summary of this morning's mass casualty response to Megabus rollover on I-95 near #Kingsville. \u2014 CBS News , 22 May 2022",
      "Rollovers resulting in vehicle occupant deaths went down a little last year (4 percent year over year), but NHTSA notes that 2021 rollover deaths still eclipsed 2019's toll. \u2014 Jonathan M. Gitlin, Ars Technica , 17 May 2022",
      "There's no rollover protection, unlike other options on the market. \u2014 Better Homes & Gardens , 16 May 2022",
      "The crew was on the way to pick up a patient injured in a vehicle crash when something abruptly happened and the pilot set the helicopter down in what Villanueva described as a hard landing and rollover . \u2014 NBC News , 20 Mar. 2022",
      "Also, there were bookkeeping conventions used by the Forest Service: Part of the 2021 costs provided by the agency were rollover expenses from the 2020 August Complex fires, which straddled the fiscal year. \u2014 Kurtis Alexander, San Francisco Chronicle , 18 Mar. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1945, in the meaning defined at sense 1":"Noun",
      "1952, in the meaning defined at sense 2":"Verb"
    },
    "time_of_retrieval":"20220708-233851"
  },
  "roller-up":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "roll up + -er":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220709-003127"
  },
  "roll-over plow":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": swivel plow":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-004125"
  },
  "roll train":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a set of plain or grooved rolls (as in a rolling mill) for rolling metal into various forms":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1854, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-004638"
  },
  "roller tube":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a culture tube (as for normal or malignant tissue cells) in which the material to be cultivated is immobilized on the side of the tube by a film of serum or other medium and which is rotated (as in a water bath) to insure adequate and uniform aeration":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1933, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-011019"
  },
  "rolltop desk":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a writing desk with a sliding cover often of parallel slats fastened to a flexible backing":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl-\u02c8t\u00e4p-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "In one room, Boric had his only piece of furniture, an old-fashioned rolltop desk . \u2014 Jon Lee Anderson, The New Yorker , 6 June 2022",
      "Brenda, This is a Stow-Davis rolltop desk , about 75 years old. \u2014 Brenda Yenke, cleveland , 3 Mar. 2022",
      "Tambour is what makes the lid able to slide, for example, on a rolltop desk . \u2014 Judy Rose, Detroit Free Press , 22 Nov. 2020",
      "And this\u2014hung right over my rolltop desk \u2014still marks the turning point between the two. \u2014 Allan Gurganus, The New Yorker , 27 Apr. 2020"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1887, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-142326"
  },
  "roll-forming machine":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a machine that shapes sheet metal to a desired curve by means of rollers":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-183901"
  },
  "rolling stock":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the wheeled vehicles owned and used by a railroad or motor carrier":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The Kyiv School of Economics Institute, which is tallying war destruction, estimates that between Feb. 24 and June 8, Russians inflicted $2.7 billion in damage on the railway infrastructure and rolling stock . \u2014 Jillian Kay Melchior, WSJ , 16 June 2022",
      "The focus has shifted from rolling stock to frame angles. \u2014 Josh Patterson, Outside Online , 18 May 2020",
      "The Scout's massive rolling stock obviously connects to a four-wheel-drive system, which in turn is controlled through a slick twin-stick, two-speed transfer case. \u2014 Eric Stafford, Car and Driver , 16 Feb. 2022",
      "Pan Am Railways began operations in the country's northeast states in 2006, with royal blue rolling stock adorned with the Pan Am name and logo. \u2014 CNN , 3 Dec. 2021",
      "The infrastructure funding will help Amtrak upgrade its rolling stock over the next decade. \u2014 Washington Post , 9 Nov. 2021",
      "When equipped with the optional 37-inch rolling stock , the Raptor takes the lead across the board with a 33.1 degree approach, 24.4 degree breakover and 24.9 degree departure. \u2014 Sam Abuelsamid, Forbes , 9 Sep. 2021",
      "In contrast, Amtrak has been plagued by aging rolling stock (some of its rail cars date back almost to its inception 50 years ago) and sagging on-time performance. \u2014 Barbara Peterson, Cond\u00e9 Nast Traveler , 7 Sep. 2021",
      "Amtrak has signed a mammoth contract with manufacturing company Siemens Mobility for 83 new train sets, part of a $7.3 billion plan to upgrade its rolling stock over the next decade. \u2014 BostonGlobe.com , 8 July 2021"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1847, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-212831"
  },
  "rolled into one":{
    "type":[
      "idiom"
    ],
    "definitions":{
      ": combined together into one thing or person":[
        "It's a shopping center, amusement park, and nightclub (all) rolled into one ."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220709-231047"
  },
  "roller towel":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an endless towel hung from a roller":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1836, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-231143"
  },
  "rolling":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": not having or set to a fixed date or deadline : continually adjustable through a period of time to provide flexibility for individual circumstances":[
        "De Blasio's spokesman Wiley Norvell said the city is encouraging families to sign up their kids by June 26, although there is a rolling deadline until Oct. 1. The sooner families apply, he said, the better chance they'll secure the seat they want.",
        "\u2014 Matthew Chayes",
        "Many law school use a rolling admissions process, meaning they evaluate applications as they come in and release admissions decisions, one by one.",
        "\u2014 Ilana Kowarski",
        "The Delaware Aglands Foundation Board announced it will institute a rolling application process for its Young Farmer Loan Program to offer young farmers more flexibility in acquiring a farm.",
        "\u2014 The Dover Post"
      ]
    },
    "pronounciation":[
      "\u02c8r\u014d-li\u014b"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1959, in the meaning defined above":"Adjective"
    },
    "time_of_retrieval":"20220709-232628"
  },
  "roller bearing":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a bearing in which the journal rotates in peripheral contact with a number of rollers usually contained in a cage":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Detail view of the cam and roller bearing assembly. \u2014 Lee Hutchinson, Ars Technica , 14 Apr. 2022",
      "Dorella was the one who kept the family going, working up to 12 hours a day at the Mac factory, assembling hulking mechanical toolboxes, fitting each roller bearing and drawer just so. \u2014 Chris Ballard, SI.com , 2 May 2018",
      "Dorella was the one who kept the family going, working up to 12 hours a day at the Mac factory, assembling hulking mechanical toolboxes, fitting each roller bearing and drawer just so. \u2014 Chris Ballard, SI.com , 2 May 2018"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1857, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-233521"
  },
  "rolling hitch":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a hitch knot for fastening a line to a spar or to the standing part of another line that will not slip when the pull is parallel to the spar or line \u2014 see knot illustration":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1769, in the meaning defined above":""
    },
    "time_of_retrieval":"20220709-235216"
  },
  "roll pass":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": pass entry 2 sense 3":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-002241"
  },
  "roller-backer":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a machine that backs a book by a roller action and forms shoulders but does not round the book except as the rollers perfect the round already imparted \u2014 compare rounder and backer":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-005656"
  },
  "roller skate":{
    "type":[
      "intransitive verb",
      "noun",
      "verb"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Enjoy live music, food, ThrillAmaze roller skate and laser tag, arts, crafts, games and more. \u2014 Chicago Tribune , 14 June 2022",
      "Thompson suggests finding a roller skate that comes with a nylon plate and metal trucks. \u2014 Zee Krstic, Good Housekeeping , 2 June 2022",
      "For example, acquiring a new roller skate student is more expensive than retaining an existing one. \u2014 Marilisa Barbieri, Forbes , 17 June 2022",
      "Turns out there are a lot of people who are sort of in the same boat as me\u2014a 60-year-old woman learning how to roller skate . \u2014 Johnny Dodd, PEOPLE.com , 14 June 2022",
      "Here are some buying tips on how to find the right roller skate for you. \u2014 Zee Krstic, Good Housekeeping , 2 June 2022",
      "Opportunities to roller skate in downtown Cincinnati just expanded, thanks to a new mobile roller rink coming to the area. \u2014 Emily Deletter, The Enquirer , 16 May 2022",
      "Those selected for jury consideration in the Parkland shooting trial have included: a court bailiff, two employees of the prosecutor\u2019s office, a high school classmate of the judge and someone who taught the judge to roller skate as a child. \u2014 Victoria Ballard, sun-sentinel.com , 12 Apr. 2022",
      "Participants are asked to walk, run, run, bike or even roller skate 95 miles on the District\u2019s trails by June 30. \u2014 Annie Alleman, chicagotribune.com , 21 Mar. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1860, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-044922"
  },
  "roller stock":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a metal bar forming the core of a composition printing roller":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-051011"
  },
  "roller-top":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": roll top":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1882, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-052632"
  },
  "rolling pin":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a long cylinder for rolling out dough":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "Lightly flour the dough and the rolling pin and roll out the dough into circles approximately 9 inches in diameter. \u2014 Washington Post , 5 Apr. 2021",
      "Working out of his kitchen with little more than a copper pot, a rolling pin and a stove, Riegel hired his first employee, his wife, Gertrud, the following year. \u2014 Michele Herrmann, Smithsonian Magazine , 18 May 2022",
      "Her husband of two years had bashed her head, face and body with dozens of blows from a rolling pin before throttling her and then stabbing her 20 times with a kitchen knife, all as their screaming toddler looked on. \u2014 New York Times , 3 Dec. 2021",
      "Armani/Casa introduced helpful kitchen tools such as a rolling pin and a spaghetti measure in a pretty turquoise marble-effect resin. \u2014 Adrian Gaut, Harper's BAZAAR , 19 Nov. 2021",
      "Squeeze out air, seal bag and gently pound garlic with a rolling pin . \u2014 Tribune News Service, cleveland , 28 Mar. 2022",
      "Trim the crusts off the bread slices and use a rolling pin to flatten each slice into a square. \u2014 Lynne Sherwin, cleveland , 8 Apr. 2022",
      "For a tender, crisp crust, this recipe from Clare de Boer leaves the rolling pin behind. \u2014 New York Times , 14 Feb. 2022",
      "Place cornflakes in a separate large, zip-top bag and crush with hands or rolling pin . \u2014 Bethany Thayer, Detroit Free Press , 26 Dec. 2021"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1563, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-055007"
  },
  "rolling press":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a calender that operates by means of rollers":[],
      ": a printing press with a D-shaped roller used in copperplate printing":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1625, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220710-055256"
  },
  "roller shade":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a window shade mounted on a roller":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1876, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-064042"
  },
  "rolled gold":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a base metal (as brass) with a thin plate of gold rolled over it":[],
      ": a gold electroplate rolled or drawn out so that the gold becomes very thin":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1822, in the meaning defined at sense 1":""
    },
    "time_of_retrieval":"20220710-065245"
  },
  "rolling reef":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a reef made by rolling up the sail around a spar at the foot":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-080407"
  },
  "rolled glass":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a flat glass of considerable thickness that is made by passing a roller over molten glass between thickness strips placed on the edges of the casting table":[],
      ": cylinder glass":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220715-092628"
  },
  "roller coaster":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": marked by numerous ups and downs":[
        "an entertainer's roller-coaster career"
      ],
      ": an elevated railway (as in an amusement park) constructed with sharp curves and steep inclines on which cars roll":[]
    },
    "pronounciation":[
      "\u02c8r\u014d-l\u0259-\u02cck\u014d-",
      "\u02c8r\u014d-l\u0113-\u02cck\u014d-",
      "\u02c8r\u014d-l\u0259r-\u02cck\u014d-st\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Noun",
      "We went for a ride on the roller coaster .",
      "The divorce was an emotional roller coaster for both of them.",
      "Recent Examples on the Web: Noun",
      "Tony\u2019s Express is modeled after America\u2019s first roller coaster , the Switchback Railway, which opened on Coney Island in 1884. \u2014 Joseph Frederick, ajc , 30 June 2022",
      "The site\u2019s amusement park side, featuring the Rollin\u2019 Thunder roller coaster and other rides, previously was known as The Park at OWA. \u2014 Ben Flanagan | Bflanagan@al.com, al , 23 June 2022",
      "It\u2019s a roller coaster , but one where the fear factor is left strictly to the title. \u2014 Chris Willman, Variety , 8 Apr. 2022",
      "What a roller coaster of a scene, for both the audience and for Shiv and Roman. \u2014 Alan Sepinwall, Rolling Stone , 13 Dec. 2021",
      "Over the next week and a half, the Widderses rode an emotional roller coaster , elated by seeming improvements, only to despair over indicators of the severe damage to their daughter\u2019s liver. \u2014 Lena H. Sun, Washington Post , 17 May 2022",
      "An emotional roller coaster could create havoc for you now. \u2014 Tarot Astrologers, chicagotribune.com , 17 Apr. 2022",
      "Sunday night's Grammy Awards were an emotional roller coaster for the Foo Fighters. \u2014 Marcus Jones, EW.com , 3 Apr. 2022",
      "The third season of Celebrity IOU promises to be an emotional roller coaster . \u2014 Natasha Dado, PEOPLE.com , 21 Mar. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1940, in the meaning defined above":"Adjective",
      "1883, in the meaning defined at sense 1":"Noun"
    },
    "time_of_retrieval":"20220710-083126"
  },
  "rolling stone":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a person who changes his habitation, business, or pursuits with great frequency : one who leads a wandering or unsettled life":[
        "a rover perhaps, but not a thriftless rolling stone",
        "\u2014 The Dial"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1598, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-084420"
  },
  "rolling mill":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an establishment where metal is rolled into plates and bars":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "An attempt by startup company Braidy Industries Inc. to build a $1.7 billion rolling mill in Ashland, Ky., a few years ago foundered because of a lack of investors. \u2014 Bob Tita, WSJ , 11 May 2022",
      "At that point, the company planned to build a huge aluminum rolling mill and open it in 2020. \u2014 Morgan Watkins, The Courier-Journal , 12 Jan. 2022",
      "Renovation is underway on Good Dog, in a former steel rolling mill at 2308 First Ave. \u2014 al , 22 Feb. 2022",
      "Kentucky lawmakers are putting more pressure on the company formerly known as Braidy Industries to finally deliver on its five-year-old promise to build an aluminum rolling mill near Ashland in Eastern Kentucky. \u2014 Morgan Watkins, The Courier-Journal , 12 Jan. 2022",
      "Back when the state greenlit that investment in 2017, Braidy Industries \u2014 now known as Unity Aluminum \u2014 planned to build a massive aluminum rolling mill near Ashland and open it in 2020. \u2014 Morgan Watkins, The Courier-Journal , 25 Sep. 2021",
      "Legislators gave $15 million to the then-unnamed company\u2019s aluminum rolling mill project near Ashland in 2017, which has since stalled. \u2014 Joe Sonka, The Courier-Journal , 9 Sep. 2021",
      "Now the shop includes a microscope, a laser welder for delicate repairs, a rolling mill for making rings, two stone-setting benches and a graver max for engraving and stone setting. \u2014 Cindy Watts, PEOPLE.com , 16 Aug. 2021",
      "Braidy Industries wants to build an aluminum rolling mill in eastern Kentucky, but has hit some snags along the way. \u2014 Morgan Watkins, The Courier-Journal , 30 Jan. 2020"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1697, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-100942"
  },
  "roller-coaster":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": marked by numerous ups and downs":[
        "an entertainer's roller-coaster career"
      ],
      ": an elevated railway (as in an amusement park) constructed with sharp curves and steep inclines on which cars roll":[]
    },
    "pronounciation":[
      "\u02c8r\u014d-l\u0259-\u02cck\u014d-",
      "\u02c8r\u014d-l\u0113-\u02cck\u014d-",
      "\u02c8r\u014d-l\u0259r-\u02cck\u014d-st\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Noun",
      "We went for a ride on the roller coaster .",
      "The divorce was an emotional roller coaster for both of them.",
      "Recent Examples on the Web: Noun",
      "Tony\u2019s Express is modeled after America\u2019s first roller coaster , the Switchback Railway, which opened on Coney Island in 1884. \u2014 Joseph Frederick, ajc , 30 June 2022",
      "The site\u2019s amusement park side, featuring the Rollin\u2019 Thunder roller coaster and other rides, previously was known as The Park at OWA. \u2014 Ben Flanagan | Bflanagan@al.com, al , 23 June 2022",
      "It\u2019s a roller coaster , but one where the fear factor is left strictly to the title. \u2014 Chris Willman, Variety , 8 Apr. 2022",
      "What a roller coaster of a scene, for both the audience and for Shiv and Roman. \u2014 Alan Sepinwall, Rolling Stone , 13 Dec. 2021",
      "Over the next week and a half, the Widderses rode an emotional roller coaster , elated by seeming improvements, only to despair over indicators of the severe damage to their daughter\u2019s liver. \u2014 Lena H. Sun, Washington Post , 17 May 2022",
      "An emotional roller coaster could create havoc for you now. \u2014 Tarot Astrologers, chicagotribune.com , 17 Apr. 2022",
      "Sunday night's Grammy Awards were an emotional roller coaster for the Foo Fighters. \u2014 Marcus Jones, EW.com , 3 Apr. 2022",
      "The third season of Celebrity IOU promises to be an emotional roller coaster . \u2014 Natasha Dado, PEOPLE.com , 21 Mar. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1940, in the meaning defined above":"Adjective",
      "1883, in the meaning defined at sense 1":"Noun"
    },
    "time_of_retrieval":"20220710-102227"
  },
  "roller":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a revolving cylinder over or on which something is moved or which is used to press, shape, spread, or smooth something":[],
      ": a cylinder or rod on which something (such as a shade) is rolled up":[],
      ": a long heavy ocean wave":[],
      ": tumbler sense 1b":[],
      ": one that rolls or performs a rolling operation":[],
      ": a slowly rolling ground ball":[],
      ": any of various mostly brightly colored nonpasserine Old World birds (family Coraciidae) that perform rolling aerial dives during courtship displays":[],
      ": a canary having a song in which the notes are soft and run together":[]
    },
    "pronounciation":[
      "\u02c8r\u014d-l\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "German, from rollen to roll, reverberate, from Middle French roller \u2014 more at roll":"Noun"
    },
    "first_known_use":{
      "13th century, in the meaning defined at sense 1a":"Noun",
      "1678, in the meaning defined at sense 1":"Noun"
    },
    "time_of_retrieval":"20220710-104926"
  },
  "roll/trip off the tongue":{
    "type":[
      "idiom"
    ],
    "definitions":{
      ": to be easy to say or pronounce":[
        "The name just rolls off the tongue ."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-110955"
  },
  "Rolling Meadows":{
    "type":[
      "geographical name"
    ],
    "definitions":{
      "city in northeastern Illinois northwest of Chicago population 24,099":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-113616"
  },
  "roller rink":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": rink sense 1c":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The rap duo and R&B icon teased the release of the song by sharing clips of the music video filmed in a roller rink days before dropping the song. \u2014 Tom\u00e1s Mier, Rolling Stone , 1 July 2022",
      "Additional locations for the mobile roller rink will be announced in the coming weeks. \u2014 Emily Deletter, The Enquirer , 16 May 2022",
      "The concert was initially scheduled for a roller rink until derailed by fire regulations. \u2014 David Reamer, Anchorage Daily News , 10 Apr. 2022",
      "Once open, the roller rink will have nearly 10,000 square feet of floor space and 150 pairs of outdoor roller skates available to rent. \u2014 Emily Deletter, The Enquirer , 16 May 2022",
      "Regardless of the tier, guests will be able to experience beach instillations, three access points to the beach to cool off between sets, as well as a roller rink and spa. \u2014 Tandra Smith | Tsmith@al.com, al , 9 May 2022",
      "The changes at Rockefeller Center have drawn visitors like Elisa Annenberg, 18, a New York University student from Brazil, who recently spun around the roller rink for the first time. \u2014 New York Times , 2 June 2022",
      "Opportunities to roller skate in downtown Cincinnati just expanded, thanks to a new mobile roller rink coming to the area. \u2014 Emily Deletter, The Enquirer , 16 May 2022",
      "Ross, who opened the original Flipper\u2019s roller rink in Los Angeles in 1979. \u2014 New York Times , 15 Mar. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1885, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-131442"
  },
  "rolled cookie":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": cookie sense 1a(1)":[
        "Bar cookies make an ideal starting point for an aspiring baker. They require less patience than drop cookies, less skill than rolled cookies , and fewer baking pans.",
        "\u2014 Booklist , 15 Dec. 1999"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-143547"
  },
  "rolling landside":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a landside consisting of a metal disk wheel that revolves on an axle":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-151143"
  },
  "rolling moment":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a moment that tends to rotate an airplane about its longitudinal axis":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1914, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-151433"
  },
  "roll top":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the flexible cover of a rolltop desk":[],
      ": rolltop desk":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1884, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-154308"
  },
  "rolling grass":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": spiny rolling grass":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-163633"
  },
  "Rollin film":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a very thin film produced by capillary creeping of liquid helium II over a solid surface":[]
    },
    "pronounciation":[
      "\u02c8r\u00e4l\u0259\u0307n-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "probably from the name Rollin":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-164445"
  },
  "rolling barrage":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a barrage that moves forward by bounds at a fixed rate in advance of attacking infantry":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-172243"
  },
  "rolling kitchen":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a kitchen set up in a truck or trailer for cooking food and conveying it to troops in the field":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-172431"
  },
  "rolling tackle":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a tackle used to steady a yard when the ship rolls in bad weather":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "circa 1752, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-174735"
  },
  "rolling weed":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": tumbleweed":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1861, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-182738"
  },
  "Rollerblade":{
    "type":[
      "trademark"
    ],
    "definitions":{},
    "pronounciation":[
      "\u02c8r\u014d-l\u0259r-\u02ccbl\u0101d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-194558"
  },
  "roller table":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a double roller disk sometimes used in timepieces instead of a single roller":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-195151"
  },
  "roll sulfur":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": sulfur in the form of rods or sticks made by casting molten sulfur":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-201844"
  },
  "role-play":{
    "type":[
      "transitive verb",
      "verb"
    ],
    "definitions":{
      ": to act out the role of":[],
      ": to represent in action":[
        "students were asked to role-play the thoughts and feelings of each character",
        "\u2014 R. G. Lambert"
      ],
      ": to play a role":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl-\u02ccpl\u0101",
      "-\u02c8pl\u0101"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1949, in the meaning defined at transitive sense 1":""
    },
    "time_of_retrieval":"20220710-204115"
  },
  "roller-blind shutter":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": focal-plane shutter":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1887, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-214114"
  },
  "rolled oats":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": hulled oats steamed and then flattened by being passed between rollers":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1870, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-214529"
  },
  "rolled roast":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": boned and rolled rib roast of beef \u2014 compare standing roast":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-221121"
  },
  "rollsman":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one who passes cold steel boiler plate through a roll machine to shape it to desired curvature":[]
    },
    "pronounciation":[
      "\u02c8r\u014dlzm\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-221937"
  },
  "roleo":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a logrolling tournament":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl\u0113\u02cc\u014d"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "roll entry 2 + -eo (as in rodeo )":""
    },
    "first_known_use":{
      "1926, in the meaning defined above":""
    },
    "time_of_retrieval":"20220710-222047"
  },
  "Rollinia":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a small genus of tropical American trees and shrubs (family Annonaceae) distinguished by the wing-appendaged petals of the flower \u2014 see biriba":[]
    },
    "pronounciation":[
      "r\u00e4\u02c8lin\u0113\u0259"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "New Latin, from Charles Rollin \u20201741 French educator + New Latin -ia":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220710-223839"
  },
  "rolling key clutch":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a friction clutch in which a set of rollers surrounding a shaft is wedged (as by a locking pawl) between this shaft and a hub on a second shaft to be connected with it":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220710-224509"
  },
  "roll scale":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": mill scale":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1845, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-001934"
  },
  "roll out the red carpet":{
    "type":[
      "idiom"
    ],
    "definitions":{
      ": to formally greet or welcome an important guest who has just arrived":[
        "The governor rolled out the red carpet for his dinner guests."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-035127"
  },
  "roll over":{
    "type":[
      "noun",
      "transitive verb",
      "verb"
    ],
    "definitions":{
      ": the act or process of rolling over":[],
      ": a motor vehicle accident in which the vehicle overturns":[],
      ": to defer payment of (an obligation)":[],
      ": to renegotiate the terms of (a financial agreement)":[],
      ": to place (invested funds) in a new investment of the same kind":[
        "roll over IRA funds"
      ]
    },
    "pronounciation":[
      "\u02c8r\u014dl-\u02cc\u014d-v\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web: Noun",
      "Two people died in a rollover crash in Webster Sunday morning, State Police said. \u2014 Globe Staff, BostonGlobe.com , 27 June 2022",
      "Police were called to the scene of a one-vehicle rollover crash June 18 involving a golf cart driven on the road by a Canton boy, 13. \u2014 Joan Rusek, cleveland , 22 June 2022",
      "An adult and seven children were hospitalized Sunday, with at least four of the juveniles suffering serious injuries, following an early morning rollover crash near Hoffman Estates, according to Illinois State Police. \u2014 Chicago Tribune Staff, Chicago Tribune , 12 June 2022",
      "Here is a brief summary of this morning's mass casualty response to Megabus rollover on I-95 near #Kingsville. \u2014 CBS News , 22 May 2022",
      "Rollovers resulting in vehicle occupant deaths went down a little last year (4 percent year over year), but NHTSA notes that 2021 rollover deaths still eclipsed 2019's toll. \u2014 Jonathan M. Gitlin, Ars Technica , 17 May 2022",
      "There's no rollover protection, unlike other options on the market. \u2014 Better Homes & Gardens , 16 May 2022",
      "The crew was on the way to pick up a patient injured in a vehicle crash when something abruptly happened and the pilot set the helicopter down in what Villanueva described as a hard landing and rollover . \u2014 NBC News , 20 Mar. 2022",
      "Also, there were bookkeeping conventions used by the Forest Service: Part of the 2021 costs provided by the agency were rollover expenses from the 2020 August Complex fires, which straddled the fiscal year. \u2014 Kurtis Alexander, San Francisco Chronicle , 18 Mar. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1945, in the meaning defined at sense 1":"Noun",
      "1952, in the meaning defined at sense 2":"Verb"
    },
    "time_of_retrieval":"20220711-045111"
  },
  "roller printing":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a method of printing textiles that uses a series of engraved metal rollers each of which contains the parts of the pattern to be printed in one color":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1840, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-053455"
  },
  "rolling jack":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a machine for rolling leather":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-062204"
  },
  "rolling boil":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a point where large bubbles rise quickly to the surface of the liquid":[
        "Bring the pot to a rolling boil ."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-072555"
  },
  "rolling spar":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": boat boom":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-074756"
  },
  "rolling road":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a road formerly used for rolling hogsheads of tobacco to market":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1715, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-090944"
  },
  "rolled":{
    "type":[
      "noun",
      "verb"
    ],
    "definitions":{
      ": a manuscript book":[],
      ": a list of names or related items : catalog":[],
      ": an official list":[
        "the voter rolls"
      ],
      ": such as":[
        "a roll of the dice",
        "an airplane's takeoff roll"
      ],
      ": muster roll":[],
      ": a list of members of a school or class or of members of a legislative body":[],
      ": something that is rolled up into a cylinder or ball or rounded as if rolled":[
        "rolls of fat"
      ],
      ": a quantity (as of fabric or paper) rolled up to form a single package":[],
      ": a hairstyle in which some or all of the hair is rolled or curled up or under":[],
      ": a cylindrical twist of tobacco":[],
      ": a roll of paper on which music for a player piano is recorded in perforations which actuate the keys":[],
      ": a flexible case (as of leather) in which articles may be rolled and fastened by straps or clasps":[
        "jewelry roll"
      ],
      ": paper money folded or rolled into a wad":[],
      ": bankroll":[],
      ": something that performs a rolling action or movement : roller":[],
      ": to impel forward by causing to turn over and over on a surface":[],
      ": to cause to revolve by turning over and over on or as if on an axis":[],
      ": to cause to move in a circular manner":[
        "they rolled their eyes at the absurdity"
      ],
      ": to form into a mass by turning over and over":[],
      ": to impel forward with an easy continuous motion":[],
      ": to cause to move in a given direction by or as if by turning a crank":[
        "rolled down the window"
      ],
      ": to put a wrapping around : enfold , envelop":[],
      ": to press, spread, or level with a roller : make smooth, even, or compact":[
        "hulled and rolled oats",
        "roll paint",
        "\u2014 often used with out rolled out the dough"
      ],
      ": to move on rollers or wheels":[
        "rolled the patient into the operating room"
      ],
      ": to cause to begin operating or moving":[
        "roll the cameras"
      ],
      ": to sound with a full reverberating tone":[
        "rolled out the words"
      ],
      ": to make a continuous beating sound upon : sound a roll upon":[
        "rolled their drums"
      ],
      ": to utter with a trill":[
        "rolled his r 's"
      ],
      ": to play (a chord) in arpeggio style":[],
      ": to combine so as to comprise one entity":[
        "\u2014 usually used in the phrase rolled into one a shopping center, amusement park, and nightclub all rolled into one"
      ],
      ": bowl sense 1":[],
      ": to move along a surface by rotation without sliding":[],
      ": to turn over and over":[
        "the children rolled in the grass"
      ],
      ": to luxuriate in an abundant supply : wallow":[
        "fairly rolling in money"
      ],
      ": to move onward or around as if by completing a revolution : elapse , pass":[
        "the months roll on"
      ],
      ": to shift the gaze continually":[
        "eyes rolling in terror"
      ],
      ": to revolve on an axis":[],
      ": to move about : roam , wander":[],
      ": to go forward in an easy, gentle, or undulating manner":[
        "the waves rolled in"
      ],
      ": to flow in a continuous stream : pour":[
        "money was rolling in"
      ],
      ": to flow as part of a stream of words or sounds":[
        "the names roll off your tongue"
      ],
      ": to have an undulating contour":[
        "rolling prairie"
      ],
      ": to lie extended : stretch":[],
      ": to travel in a vehicle":[
        "rolling north on the highway"
      ],
      ": to become carried on a stream":[],
      ": to move on wheels":[],
      ": to make a deep reverberating sound":[
        "the thunder rolls"
      ],
      ": trill":[],
      ": to swing from side to side":[
        "the ship heaved and rolled"
      ],
      ": to walk with a swinging gait : sway":[],
      ": to take the form of a cylinder or ball":[],
      ": to respond to rolling in a specified way":[],
      ": to get underway : begin to move or operate":[],
      ": to execute a somersault":[],
      ": to run toward one flank usually parallel to the line of scrimmage especially before throwing a pass":[
        "\u2014 often used with out"
      ],
      ": to shoot craps":[],
      ": to assume a risk by taking action":[
        "rolled the dice when they bought those stocks"
      ],
      ": to move so as to lessen the impact of blows":[],
      ": to adjust to things as they happen":[],
      ": a sound produced by rapid strokes on a drum":[],
      ": a sonorous and often rhythmical flow of speech":[],
      ": a heavy reverberatory sound":[
        "the roll of cannon"
      ],
      ": a rolling movement or an action or process involving such movement":[
        "a roll of the dice",
        "an airplane's takeoff roll"
      ],
      ": a swaying movement of the body":[],
      ": a side-to-side movement (as of a ship or train)":[],
      ": a flight maneuver in which a complete revolution about the longitudinal axis of an airplane is made with the horizontal direction of flight being approximately maintained":[],
      ": the motion of an aircraft or spacecraft about its longitudinal axis":[],
      ": a somersault executed in contact with the ground":[],
      ": in the midst of a series of successes : on a hot streak":[
        "\u2014 sometimes used with a modifier has been on a brilliant roll"
      ]
    },
    "pronounciation":[
      "\u02c8r\u014dl"
    ],
    "synonyms":[
      "agglomerate",
      "ball",
      "round",
      "wad"
    ],
    "antonyms":[
      "unroll"
    ],
    "synonym_discussion":"",
    "examples":[
      "Verb",
      "The children rolled down the hill.",
      "The ball rolled slowly to a stop.",
      "Roll the chicken wings in the batter.",
      "The paramedics rolled him onto the gurney.",
      "The car rolled slowly to a stop.",
      "A police car rolled up next to us.",
      "The children rolled the toy car to each other.",
      "The patient was rolled into the emergency room.",
      "The fog soon rolled away."
    ],
    "history_and_etymology":{
      "Middle English rolle , from Anglo-French roule, rolle , from Medieval Latin rolla , alteration of rotula , from Latin, diminutive of rota wheel; akin to Old High German rad wheel, Welsh rhod , Sanskrit ratha wagon":"Noun",
      "Middle English, from Anglo-French rouler, roller , from roele wheel, rowel & roule roll":"Verb"
    },
    "first_known_use":{
      "13th century, in the meaning defined at sense 1a(1)":"Noun",
      "14th century, in the meaning defined at sense 3":"Verb",
      "1688, in the meaning defined at sense 1c":"Noun"
    },
    "time_of_retrieval":"20220711-093856"
  },
  "roll roofing":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": prepared roofing":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-095217"
  },
  "rollable":{
    "type":[
      "adjective"
    ],
    "definitions":{
      ": capable of being rolled":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl\u0259b\u0259l"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1729, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-100933"
  },
  "roll of honour":{
    "type":[
      "noun phrase"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-110729"
  },
  "rolling in (something)":{
    "type":[
      "idiom"
    ],
    "definitions":{
      ": having a large amount of (something)":[
        "They were rolling in money/cash.",
        "\"What did you mean when you said they are rolling in (the) dough ?\" \"They're rich\"."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-123053"
  },
  "roll about":{
    "type":[
      "phrasal verb"
    ],
    "definitions":{
      ": to arrive or happen again":[
        "We'll be better prepared the next time the elections roll about ."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-124155"
  },
  "roller chain":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a block chain in which hollow transverse blocks or cylinders turning on steel pins act as rollers to lessen friction":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1841, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-130850"
  },
  "roll bar":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": an overhead metal bar on an automobile that is designed to protect the occupant in case of a rollover":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "The current owner also installed a roll bar after acquiring the Bronco in 2020. \u2014 Sebastian Blanco, Car and Driver , 17 May 2022",
      "It\u2019s also been equipped with a four-point roll bar and projector LED headlights. \u2014 Bryan Hood, Robb Report , 31 Mar. 2022",
      "Along with a blue bedliner material used to paint the body, the customized cargo box has a spare-tire carrier and a roll bar with a luggage rack. \u2014 Eric Stafford, Car and Driver , 16 Feb. 2022",
      "Nozawa\u2019s popular hand- roll bar KazuNori has added a sixth location to its L.A. roster. \u2014 Stephanie Breijo, Los Angeles Times , 1 Mar. 2022",
      "At least the luggage rack that's integrated into the roll bar above the spare-tire carrier provides supplementary storage space and looks rad. \u2014 Eric Stafford, Car and Driver , 16 Feb. 2022",
      "Which means prices at Temakase\u2019s 25-seat hand roll bar are a bit steeper: the $20-$40 range. \u2014 Phillip Valys, sun-sentinel.com , 11 Nov. 2021",
      "Versions seen in various teasers show a roll bar in the truck's bed for mounting accessories such as lights. \u2014 Connor Hoffman, Car and Driver , 1 Nov. 2021",
      "Ford has embraced the Wrangler\u2019s free spirit \u2014 fishnet door storage, detachable swaybars, roll bar , drain plugs, etc. \u2014 Tribune News Service, cleveland , 10 July 2021"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1948, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-134438"
  },
  "roll-neck":{
    "type":[
      "adjective",
      "noun"
    ],
    "definitions":{
      ": turtleneck":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl-\u02ccnek"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1943, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-135923"
  },
  "roller print":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a fabric with a design made by roller printing":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-141903"
  },
  "rollback":{
    "type":[
      "noun",
      "verb"
    ],
    "definitions":{
      ": the act or an instance of rolling back":[
        "a government-ordered rollback of gasoline prices"
      ],
      ": to reduce (something, such as a commodity price) to or toward a previous level on a national scale":[],
      ": to cause to retreat or withdraw : push back":[],
      ": rescind":[
        "attempted to roll back antipollution standards"
      ]
    },
    "pronounciation":[
      "\u02c8r\u014dl-\u02ccbak"
    ],
    "synonyms":[
      "abate",
      "abolish",
      "abrogate",
      "annul",
      "avoid",
      "cancel",
      "disannul",
      "dissolve",
      "invalidate",
      "negate",
      "null",
      "nullify",
      "quash",
      "repeal",
      "rescind",
      "strike down",
      "vacate",
      "void"
    ],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Noun",
      "a government-ordered rollback of gasoline prices",
      "a rollback in environmental regulations",
      "a rollback of previous wage concessions",
      "Verb",
      "lobbyists for the industry pressured the legislators to roll back the new automotive safety standards",
      "Recent Examples on the Web: Noun",
      "Tracking the scope of government will increasingly pose a challenge, as a progressive savior mentality cannot be useful in pursuit of regulatory oversight, mitigation, rollback , and sunset of government excess. \u2014 Clyde Wayne Crews Jr., Forbes , 28 June 2022",
      "The lightbulb rollback was part of the Trump administration\u2019s government-wide war on federal regulations. \u2014 Anna Phillips, Anchorage Daily News , 26 Apr. 2022",
      "The Trump administration\u2019s rollback of auto emission standards was one of the most overt examples of its anti-science agenda. \u2014 Los Angeles Times , 21 Apr. 2021",
      "Economists see little evidence that Mr. Trump\u2019s rollback of climate change rules bolstered the economy. \u2014 Coral Davenport, New York Times , 9 Nov. 2020",
      "With seemingly endless sales and rollback prices, the department store is a wonderful option for updating your home on a budget. \u2014 Anna Logan, Country Living , 23 May 2022",
      "By the way, broadband investment slumped from 2018 to 2019, while Trump\u2019s rollback of telecom regulation was in full cry, by even more in dollar terms than in 2015-2016. \u2014 Michael Hiltzik, Los Angeles Times , 19 May 2022",
      "Already there have been dire effects of the current rollback . \u2014 Washington Post , 20 Apr. 2022",
      "After Trump\u2019s rollback , California adopted its own light bulb standards that withstood a legal challenge from the industry. \u2014 Michael Smolenscolumnist, San Diego Union-Tribune , 29 Apr. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1937, in the meaning defined above":"Noun",
      "1942, in the meaning defined at sense 2":"Verb"
    },
    "time_of_retrieval":"20220711-142230"
  },
  "Rolfs' oak":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a Florida coastal scrub oak ( Quercus rolfsii ) with hard rigid branches, small leathery leaves, and acorns usually in pairs and half-covered by the funnel-shaped cups":[]
    },
    "pronounciation":[
      "\u02c8r\u00e4lfs-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "after Frederick M. Rolfs \u20201956 American botanist":""
    },
    "first_known_use":{},
    "time_of_retrieval":"20220711-153041"
  },
  "roll out of bed":{
    "type":[
      "idiom"
    ],
    "definitions":{
      ": to rise after sleeping in a bed and especially after sleeping later than usual":[
        "She rolled out of bed just before noon."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-153742"
  },
  "rolling bridge":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a revolving drawbridge":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1666, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-154459"
  },
  "roll-on":{
    "type":[
      "adjective",
      "idiom",
      "noun"
    ],
    "definitions":{
      ": rubbed or spread on the body with a bottle that has a rolling ball set into its top":[
        "a roll-on deodorant"
      ],
      ": something (as deodorant) that is rubbed or spread on the body with a bottle that has a rolling ball set into its top":[
        "deodorants sold as roll-ons , sprays, or sticks"
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-162105"
  },
  "Rolfing":{
    "type":[
      "service mark"
    ],
    "definitions":{},
    "pronounciation":[
      "\u02c8r\u022flf-i\u014b also \u02c8r\u022ff-",
      "also \u02c8r\u022f-",
      "\u02c8r\u022fl-fi\u014b"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-171408"
  },
  "Rolland":{
    "type":[
      "biographical name"
    ],
    "definitions":{
      "Romain 1866\u20131944 French author":[]
    },
    "pronounciation":[
      "r\u022f-",
      "r\u014d-\u02c8l\u00e4\u207f"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-185816"
  },
  "Rolfe":{
    "type":[
      "biographical name"
    ],
    "definitions":{
      "John 1585\u20131622 English colonist":[]
    },
    "pronounciation":[
      "\u02c8r\u00e4lf"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-195500"
  },
  "rolling friction":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": resistance to motion by bodies that are in rolling contact":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1839, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-200013"
  },
  "roll book":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a book in which a teacher keeps a record of the attendance or classwork of his pupils":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-200910"
  },
  "rolls":{
    "type":[
      "noun",
      "verb"
    ],
    "definitions":{
      ": a manuscript book":[],
      ": a list of names or related items : catalog":[],
      ": an official list":[
        "the voter rolls"
      ],
      ": such as":[
        "a roll of the dice",
        "an airplane's takeoff roll"
      ],
      ": muster roll":[],
      ": a list of members of a school or class or of members of a legislative body":[],
      ": something that is rolled up into a cylinder or ball or rounded as if rolled":[
        "rolls of fat"
      ],
      ": a quantity (as of fabric or paper) rolled up to form a single package":[],
      ": a hairstyle in which some or all of the hair is rolled or curled up or under":[],
      ": a cylindrical twist of tobacco":[],
      ": a roll of paper on which music for a player piano is recorded in perforations which actuate the keys":[],
      ": a flexible case (as of leather) in which articles may be rolled and fastened by straps or clasps":[
        "jewelry roll"
      ],
      ": paper money folded or rolled into a wad":[],
      ": bankroll":[],
      ": something that performs a rolling action or movement : roller":[],
      ": to impel forward by causing to turn over and over on a surface":[],
      ": to cause to revolve by turning over and over on or as if on an axis":[],
      ": to cause to move in a circular manner":[
        "they rolled their eyes at the absurdity"
      ],
      ": to form into a mass by turning over and over":[],
      ": to impel forward with an easy continuous motion":[],
      ": to cause to move in a given direction by or as if by turning a crank":[
        "rolled down the window"
      ],
      ": to put a wrapping around : enfold , envelop":[],
      ": to press, spread, or level with a roller : make smooth, even, or compact":[
        "hulled and rolled oats",
        "roll paint",
        "\u2014 often used with out rolled out the dough"
      ],
      ": to move on rollers or wheels":[
        "rolled the patient into the operating room"
      ],
      ": to cause to begin operating or moving":[
        "roll the cameras"
      ],
      ": to sound with a full reverberating tone":[
        "rolled out the words"
      ],
      ": to make a continuous beating sound upon : sound a roll upon":[
        "rolled their drums"
      ],
      ": to utter with a trill":[
        "rolled his r 's"
      ],
      ": to play (a chord) in arpeggio style":[],
      ": to combine so as to comprise one entity":[
        "\u2014 usually used in the phrase rolled into one a shopping center, amusement park, and nightclub all rolled into one"
      ],
      ": bowl sense 1":[],
      ": to move along a surface by rotation without sliding":[],
      ": to turn over and over":[
        "the children rolled in the grass"
      ],
      ": to luxuriate in an abundant supply : wallow":[
        "fairly rolling in money"
      ],
      ": to move onward or around as if by completing a revolution : elapse , pass":[
        "the months roll on"
      ],
      ": to shift the gaze continually":[
        "eyes rolling in terror"
      ],
      ": to revolve on an axis":[],
      ": to move about : roam , wander":[],
      ": to go forward in an easy, gentle, or undulating manner":[
        "the waves rolled in"
      ],
      ": to flow in a continuous stream : pour":[
        "money was rolling in"
      ],
      ": to flow as part of a stream of words or sounds":[
        "the names roll off your tongue"
      ],
      ": to have an undulating contour":[
        "rolling prairie"
      ],
      ": to lie extended : stretch":[],
      ": to travel in a vehicle":[
        "rolling north on the highway"
      ],
      ": to become carried on a stream":[],
      ": to move on wheels":[],
      ": to make a deep reverberating sound":[
        "the thunder rolls"
      ],
      ": trill":[],
      ": to swing from side to side":[
        "the ship heaved and rolled"
      ],
      ": to walk with a swinging gait : sway":[],
      ": to take the form of a cylinder or ball":[],
      ": to respond to rolling in a specified way":[],
      ": to get underway : begin to move or operate":[],
      ": to execute a somersault":[],
      ": to run toward one flank usually parallel to the line of scrimmage especially before throwing a pass":[
        "\u2014 often used with out"
      ],
      ": to shoot craps":[],
      ": to assume a risk by taking action":[
        "rolled the dice when they bought those stocks"
      ],
      ": to move so as to lessen the impact of blows":[],
      ": to adjust to things as they happen":[],
      ": a sound produced by rapid strokes on a drum":[],
      ": a sonorous and often rhythmical flow of speech":[],
      ": a heavy reverberatory sound":[
        "the roll of cannon"
      ],
      ": a rolling movement or an action or process involving such movement":[
        "a roll of the dice",
        "an airplane's takeoff roll"
      ],
      ": a swaying movement of the body":[],
      ": a side-to-side movement (as of a ship or train)":[],
      ": a flight maneuver in which a complete revolution about the longitudinal axis of an airplane is made with the horizontal direction of flight being approximately maintained":[],
      ": the motion of an aircraft or spacecraft about its longitudinal axis":[],
      ": a somersault executed in contact with the ground":[],
      ": in the midst of a series of successes : on a hot streak":[
        "\u2014 sometimes used with a modifier has been on a brilliant roll"
      ]
    },
    "pronounciation":[
      "\u02c8r\u014dl"
    ],
    "synonyms":[
      "agglomerate",
      "ball",
      "round",
      "wad"
    ],
    "antonyms":[
      "unroll"
    ],
    "synonym_discussion":"",
    "examples":[
      "Verb",
      "The children rolled down the hill.",
      "The ball rolled slowly to a stop.",
      "Roll the chicken wings in the batter.",
      "The paramedics rolled him onto the gurney.",
      "The car rolled slowly to a stop.",
      "A police car rolled up next to us.",
      "The children rolled the toy car to each other.",
      "The patient was rolled into the emergency room.",
      "The fog soon rolled away."
    ],
    "history_and_etymology":{
      "Middle English rolle , from Anglo-French roule, rolle , from Medieval Latin rolla , alteration of rotula , from Latin, diminutive of rota wheel; akin to Old High German rad wheel, Welsh rhod , Sanskrit ratha wagon":"Noun",
      "Middle English, from Anglo-French rouler, roller , from roele wheel, rowel & roule roll":"Verb"
    },
    "first_known_use":{
      "13th century, in the meaning defined at sense 1a(1)":"Noun",
      "14th century, in the meaning defined at sense 3":"Verb",
      "1688, in the meaning defined at sense 1c":"Noun"
    },
    "time_of_retrieval":"20220711-203826"
  },
  "roller nest":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a group of steel rollers assembled together in a frame and placed under the end of a bridge truss or girder and on a bearing plate to permit expansion and contraction to occur without restraint":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-210159"
  },
  "roll cage":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a protective framework of metal bars encasing the driver of a vehicle (such as a racing car)":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Recent Examples on the Web",
      "But then, the team got a phone call from the company that constructed the original car\u2019s roll cage , looking to build a new one. \u2014 Michael Dobuski, ABC News , 4 July 2022",
      "The interior gets a new digital display screen with a data logger, and buyers will be able to choose between having four seats or substituting the rear ones for a half roll cage . \u2014 Mike Duff, Car and Driver , 21 June 2022",
      "This 1989 Honda Pilot FL400R is a throwback off-roader with racy bodywork, a roll cage , and a single-seat configuration. \u2014 Eric Stafford, Car and Driver , 26 May 2022",
      "Garmin\u2019s G1000 NXi flight deck offers the optional GFC700 Automatic Flight Control System for safety and ease of flying while the all composite airframe acts as a roll cage in case of a mishap. \u2014 J. George Gorant, Robb Report , 5 May 2022",
      "This is no ordinary GL wagon, however, gaining beefy wheel arches, a roll cage , gold wheels, and a fully carbon fiber body. \u2014 Caleb Miller, Car and Driver , 20 Jan. 2022",
      "Inside, the cabin is finished in fresh cream leather comes fitted with period-correct seats, along with a half roll cage over the rear bench. \u2014 Rachel Cormack, Robb Report , 14 Jan. 2022",
      "All-terrain tires, a beefy external roll cage and a rack laden with spare wheels and survival kit? \u2014 Tim Pitt, Robb Report , 4 Feb. 2022",
      "The carpets and accessory wiring harnesses have been gutted in favor of simplicity and a six-point roll cage that has been welded to the chassis. \u2014 Austin Irwin, Car and Driver , 10 Feb. 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1964, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-212552"
  },
  "rolling eight":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a flight maneuver in which an airplane flies two horizontal eights side by side in immediate succession":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-214204"
  },
  "rollaway":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a bed that can be folded and rolled away (as into a closet)":[]
    },
    "pronounciation":[
      "\""
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "from roll away , verb":"Noun"
    },
    "first_known_use":{
      "1958, in the meaning defined above":"Noun"
    },
    "time_of_retrieval":"20220711-214312"
  },
  "rolling chair":{
    "type":[
      "noun"
    ],
    "definitions":{},
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1700, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-214354"
  },
  "role model":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a person whose behavior in a particular role is imitated by others":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "Athletes should remember that they are role models .",
      "Recent Examples on the Web",
      "Hopkin: Each part of the artificial neuron\u2026which the researchers describe in the journal Nature\u2026has a direct counterpart in its biological role model . \u2014 Karen Hopkin, Scientific American , 30 June 2022",
      "Staples developed a crush on Sam Cooke, who lived nearby, and routinely encountered the stars of the gospel world, including her role model , Mahalia Jackson. \u2014 David Remnick, The New Yorker , 27 June 2022",
      "In his speech, Katzenberg paid tribute to his father Walter, who served as his role model for philanthropy. \u2014 Ashley Hume, Variety , 22 June 2022",
      "But his first mistake-making role model was, of course, his own dad. \u2014 Elizabeth Logan, Glamour , 21 June 2022",
      "Egging on the studio audience (that\u2019s us), Adenikeh prods her celebrity guests for the salacious skinny (her role model may be closer to Wendy Williams). \u2014 Peter Marks, Washington Post , 21 June 2022",
      "But reading allegations about a teacher and administrator who was her role model came as a shock. \u2014 Kathy Cichon, Chicago Tribune , 19 May 2022",
      "But following Blakely, his role model , straight into the pro ranks looks enticing as well. \u2014 Tony Garcia, Detroit Free Press , 14 May 2022",
      "Like his political role model \u2014 and chief backer \u2014 Mr. Herbster is proving to be a one-man political wrecking ball. \u2014 New York Times , 7 May 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1947, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-222253"
  },
  "rolling chock":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": bilge keel":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1902, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-222950"
  },
  "roll around":{
    "type":[
      "phrasal verb"
    ],
    "definitions":{
      ": to arrive or happen again":[
        "By the time Friday rolls around , I'm ready for the weekend."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220711-223019"
  },
  "rollmops":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a fillet of freshened salt herring rolled up with pickle or onion and skewered and then pickled in a marinade of vinegar, sliced onion, peppercorns, celery seed, bay leaves, or other spices":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl\u02ccm\u00e4ps"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "German, from rollen to roll + mops simpleton, pugnosed dog, from Low German":""
    },
    "first_known_use":{
      "1901, in the meaning defined above":""
    },
    "time_of_retrieval":"20220711-225823"
  },
  "rollout":{
    "type":[
      "noun",
      "verb"
    ],
    "definitions":{
      ": a football play in which the quarterback rolls to the left or right":[],
      ": to get out of bed":[],
      ": to introduce (something, such as a new product) especially for widespread sale to the public":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl-\u02ccau\u0307t"
    ],
    "synonyms":[
      "arise",
      "get up",
      "rise",
      "turn out",
      "uprise"
    ],
    "antonyms":[
      "bed (down)",
      "retire",
      "turn in"
    ],
    "synonym_discussion":"",
    "examples":[
      "Noun",
      "the national rollout of a new wireless service",
      "Verb",
      "you'll have to roll out by at least 8:00 a.m. in order to get there on time",
      "Recent Examples on the Web: Noun",
      "Though this could cause a short-term decline in total viewing hours, this quality over quantity rollout could also entice subscribers to stay put. \u2014 Dana Feldman, Forbes , 29 June 2022",
      "Drizzy announced the album six hours before its midnight drop with no single or rollout in sight. \u2014 Billboard Staff, Billboard , 28 June 2022",
      "The rollout in Nigeria started in March this year as a pilot with 500 bookings so far in Lagos. \u2014 Alexander Onukwue, Quartz , 24 June 2022",
      "Some companies have taken similar positions on vaccinating the youngest Americans during the initial rollout . \u2014 Timothy Bella, Washington Post , 23 June 2022",
      "For studios looking to use their blockbuster titles to build worldwide streaming businesses, the French restrictions can disrupt global rollout and marketing plans. \u2014 Scott Roxborough, The Hollywood Reporter , 23 June 2022",
      "This sort of approach to working with great local partners spans free and pay. Give me a snapshot of your rollout plan. \u2014 Nick Vivarelli, Variety , 20 June 2022",
      "Covid-19 and an intellectual property dispute with BAT have also slowed the brand\u2019s rollout . \u2014 Carol Ryan, WSJ , 19 June 2022",
      "Here's what parents should know about their vaccine options, the rollout timeline and expected side effects of the shots. \u2014 Aria Bendix, NBC News , 17 June 2022",
      "Recent Examples on the Web: Verb",
      "The network announced fall dates for its primetime lineup, and as usual most series will debut in October, a couple weeks after the big four broadcasters roll out most of their shows. \u2014 Rick Porter, The Hollywood Reporter , 5 July 2022",
      "Adding to the urgency for Mr. Lee to roll out a long-term strategy, executives frustrated with Hong Kong\u2019s travel controls are leaving the city, business groups say. \u2014 Zen Soo And Joe Mcdonald, The Christian Science Monitor , 28 June 2022",
      "For instance, the Senate bill provides funding for states to roll out red-flag laws. \u2014 Isaac Chotiner, The New Yorker , 23 June 2022",
      "Rindy Crawford, a manager at Ace Hardware in Lockeford, was surprised that Amazon had chosen the rural location to roll out its drone deliveries. \u2014 Jonah Valdezstaff Writer, Los Angeles Times , 13 June 2022",
      "Like Harry Neale said on TV, they won\u2019t be forgotten when the tips roll out . \u2014 Gene Myers, Detroit Free Press , 9 June 2022",
      "With roughly 12 miles of uninterrupted beachfront to explore, Hilton Head doesn't want for sandy spaces to roll out your beach towel or go for a stroll. \u2014 Terry Ward, Travel + Leisure , 5 June 2022",
      "Duchess Kate is continuing her streak of stylish royal looks as Platinum Jubilee celebrations roll out . \u2014 Chelsey Sanchez, Harper's BAZAAR , 3 June 2022",
      "One thing is clear: as vaccines roll out and doors reopen, people around the world are eager to get back out on the road again. \u2014 Lilit Marcus, CNN , 16 May 2022"
    ],
    "history_and_etymology":{},
    "first_known_use":{
      "1947, in the meaning defined at sense 1":"Noun",
      "1884, in the meaning defined at intransitive sense":"Verb"
    },
    "time_of_retrieval":"20220711-235451"
  },
  "roll-off":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a playoff match in bowling":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl-\u02cc\u022ff"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1886, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-013546"
  },
  "rolling colter":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a colter consisting of a sharp-edged steel disk":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1797, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-022157"
  },
  "role":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a character assigned or assumed":[
        "had to take on the role of both father and mother"
      ],
      ": a socially expected behavior pattern usually determined by an individual's status in a particular society":[],
      ": a part played by an actor or singer":[],
      ": a function or part performed especially in a particular operation or process":[
        "played a major role in the negotiations"
      ]
    },
    "pronounciation":[
      "\u02c8r\u014dl"
    ],
    "synonyms":[
      "business",
      "capacity",
      "function",
      "job",
      "part",
      "place",
      "position",
      "purpose",
      "task",
      "work"
    ],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[
      "He plays the role of the villain.",
      "She was given the starring role .",
      "I had a minor role in the play.",
      "After her husband left her, she had to take on the dual role of mother and father for her children.",
      "She likes to play the role of matchmaker with her friends.",
      "She challenged the traditional roles assigned to women.",
      "We'll switch roles this time, and you can wash the dishes while I dry them.",
      "It was a case of role reversal : the father stayed home with the children while the mother worked.",
      "Recent Examples on the Web",
      "In rejecting a role for federal courts in settling partisan gerrymandering lawsuits, Chief Justice John Roberts specified that challenges could go through state courts. \u2014 Robert Barnes, Anchorage Daily News , 30 June 2022",
      "Even in the best of times, one person\u2019s ideal role might be your worst-case scenario. \u2014 Aliza Knox, Forbes , 30 June 2022",
      "Any Turner exhibition is almost inevitably a thrill ride; this one, with more than 100 paintings and drawings centered on the artist\u2019s pivotal role as a bridge between eras, is more than most. \u2014 BostonGlobe.com , 30 June 2022",
      "As vice chair of the committee, Cheney has taken a lead role in the investigation. \u2014 Julian Mark, Washington Post , 30 June 2022",
      "The Trial of the Chicago 7 in 2020, as well as a lead role opposite Peter Dinklage in Joe Wright\u2019s Cyrano last year, and as of this week, his showstopping appearance as B.B. King in Baz Luhrmann\u2019s epic new Elvis biopic. \u2014 Liam Hess, Vogue , 29 June 2022",
      "The state regulator, because of its jurisdiction over Wall Street, often plays a role in enforcement actions and regulations that can have national and international impact. \u2014 Richard Vanderford, WSJ , 29 June 2022",
      "During the Atlantic City stop of her Roadside Bars & Pink Guitars tour, Lambert opened up to the crowd about McLoughlin's role in bringing joy back to her life. \u2014 Nasha Smith, PEOPLE.com , 29 June 2022",
      "Schools around the country are trying to staff up counselors and therapists, but experts say Alabama\u2019s creation of a bridge role could be a model. \u2014 al , 29 June 2022"
    ],
    "history_and_etymology":{
      "French r\u00f4le , literally, roll, from Old French rolle":""
    },
    "first_known_use":{
      "1605, in the meaning defined at sense 1a(1)":""
    },
    "time_of_retrieval":"20220712-024320"
  },
  "roller mill":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a mill for crushing or grinding material (as grain) by passing it between rolls":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1828, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-025009"
  },
  "Roland":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a stalwart defender of the Christians against the Saracens in the Charlemagne legends who is killed at Roncesvalles":[]
    },
    "pronounciation":[
      "\u02c8r\u014d-l\u0259nd"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "French":""
    },
    "first_known_use":{
      "14th century, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-044721"
  },
  "rolling circle":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": the generating circle of cycloidal and similar curves":[],
      ": pitch circle":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-044735"
  },
  "rolling inspection":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a check of moving trains (as for signs of a hotbox or dragging equipment) made by track workers and the crews of passing trains":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-054458"
  },
  "roll down":{
    "type":[
      "phrasal verb"
    ],
    "definitions":{
      ": to move (something) down especially by turning a handle":[
        "She rolled down the car window."
      ],
      ": to unfold the edge of (something, such as a shirt sleeve or pants leg) to make it longer":[
        "He rolled down his sleeves."
      ]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-071049"
  },
  "rolled barley":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": steamed and flattened barley grains used for feeding livestock and poultry":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-074912"
  },
  "rolf":{
    "type":[
      "transitive verb",
      "verb"
    ],
    "definitions":{
      ": to practice Rolfing on":[]
    },
    "pronounciation":[
      "\u02c8r\u022flf also \u02c8r\u022ff",
      "\u02c8r\u022flf",
      "also \u02c8r\u022ff"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1968, in the meaning defined above":""
    },
    "time_of_retrieval":"20220715-110329"
  },
  "Rolle's theorem":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a theorem in mathematics: if a curve is continuous, crosses the x-axis at two points, and has a tangent at every point between the two intercepts, its tangent is parallel to the x-axis at some point between the intercepts":[]
    },
    "pronounciation":[
      "\u02c8r\u022flz-",
      "\u02c8r\u014dlz-"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "Michel Rolle \u20201719 French mathematician":""
    },
    "first_known_use":{
      "1858, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-085312"
  },
  "roll-and-fillet molding":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a nearly cylindrical molding that is larger than a bead and has a projecting fillet on one side":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-085721"
  },
  "rollman":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one who operates a rolling machine: such as":[],
      ": an operator of a power roll for smoothing sheets of metal":[],
      ": an operator of a rolling machine for crushing already broken ore in preparation for mineral extraction":[],
      ": an operator of a machine for cooling melted lard by contact with a refrigerated roll":[]
    },
    "pronounciation":[
      "\u02c8r\u014dlm\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-090807"
  },
  "rollerman":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": one who tends a rolling machine or performs a rolling action: such as":[],
      ": braker":[],
      ": jackman":[],
      ": a calender man who makes imitation leather":[],
      ": a mine worker who keeps in repair the pulleys over which haulageway cables pass":[],
      ": an auto worker who runs the motors of finished cars to check their performance, to detect unusual noises, to test parts subject to vibration, and to check the operation of gauges":[],
      ": leverman":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl\u0259(r)m\u0259n"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1829, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-093155"
  },
  "rollers":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a revolving cylinder over or on which something is moved or which is used to press, shape, spread, or smooth something":[],
      ": a cylinder or rod on which something (such as a shade) is rolled up":[],
      ": a long heavy ocean wave":[],
      ": tumbler sense 1b":[],
      ": one that rolls or performs a rolling operation":[],
      ": a slowly rolling ground ball":[],
      ": any of various mostly brightly colored nonpasserine Old World birds (family Coraciidae) that perform rolling aerial dives during courtship displays":[],
      ": a canary having a song in which the notes are soft and run together":[]
    },
    "pronounciation":[
      "\u02c8r\u014d-l\u0259r"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "German, from rollen to roll, reverberate, from Middle French roller \u2014 more at roll":"Noun"
    },
    "first_known_use":{
      "13th century, in the meaning defined at sense 1a":"Noun",
      "1678, in the meaning defined at sense 1":"Noun"
    },
    "time_of_retrieval":"20220712-113109"
  },
  "roll-cumulus":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a stratocumulus in which the clouds near the horizon resemble long bars":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{
      "1875, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-115035"
  },
  "roll ceiling":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a removable stage ceiling that can be rolled up for storage":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-150727"
  },
  "rolamite":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a nearly frictionless elementary mechanism consisting of two or more rollers inserted in the loops of a flexible metal or plastic band with the band acting to turn the rollers whose movement can be directed to perform various functions":[]
    },
    "pronounciation":[
      "\u02c8r\u014dl\u0259\u02ccm\u012bt"
    ],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{
      "rol l + -amite , of unknown origin":""
    },
    "first_known_use":{
      "1968, in the meaning defined above":""
    },
    "time_of_retrieval":"20220712-171912"
  },
  "roll-leaf":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": gold or foil laid on thin glazed paper and put up in rolls for feeding out mechanically in a stamping press":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220712-224535"
  },
  "roll joint":{
    "type":[
      "noun"
    ],
    "definitions":{
      ": a joint in sheet metal made by rolling up overlapped edges and pressing flat":[]
    },
    "pronounciation":[],
    "synonyms":[],
    "antonyms":[],
    "synonym_discussion":"",
    "examples":[],
    "history_and_etymology":{},
    "first_known_use":{},
    "time_of_retrieval":"20220713-012009"
  }
}