| roof |  |  | 
| n. (artifact) | 1. roof | a protective covering that covers or forms the top of a building. | 
|  | ~ building, edifice | a structure that has a roof and walls and stands more or less permanently in one place.; "there was a three-story building on the corner"; "it was an imposing edifice" | 
|  | ~ curb roof | a roof with two or more slopes on each side of the ridge. | 
|  | ~ dome | a hemispherical roof. | 
|  | ~ eaves | the overhang at the lower edge of a roof. | 
|  | ~ gable roof, saddle roof, saddleback roof, saddleback | a double sloping roof with a ridge and gables at each end. | 
|  | ~ hip roof, hipped roof | a roof having sloping ends as well as sloping sides. | 
|  | ~ housetop | the roof of a house.; "shout it from the housetops" | 
|  | ~ protective cover, protective covering, protection | a covering that is intend to protect from damage or injury.; "they had no protection from the fallout"; "wax provided protection for the floors" | 
|  | ~ roof peak | the highest point of a roof. | 
|  | ~ slate roof | a roof covered with slate. | 
|  | ~ sunroof, sunshine-roof | an automobile roof having a sliding or raisable panel.; "`sunshine-roof' is a British term for `sunroof'" | 
|  | ~ thatched roof, thatch | a house roof made with a plant material (as straw). | 
|  | ~ tile roof | a roof made of fired clay tiles. | 
|  | ~ vault | an arched brick or stone ceiling or roof. | 
| n. (artifact) | 2. roof | protective covering on top of a motor vehicle. | 
|  | ~ autobus, bus, charabanc, double-decker, jitney, motorbus, motorcoach, passenger vehicle, omnibus, coach | a vehicle carrying many passengers; used for public transport.; "he always rode the bus to work" | 
|  | ~ auto, automobile, car, motorcar, machine | a motor vehicle with four wheels; usually propelled by an internal combustion engine.; "he needs a car to get to work" | 
|  | ~ hood | the folding roof of a carriage. | 
|  | ~ protective cover, protective covering, protection | a covering that is intend to protect from damage or injury.; "they had no protection from the fallout"; "wax provided protection for the floors" | 
|  | ~ motortruck, truck | an automotive vehicle suitable for hauling. | 
| n. (object) | 3. roof | the inner top surface of a covered area or hollow space.; "the roof of the cave was very high"; "I could see the roof of the bear's mouth" | 
|  | ~ cave | a geological formation consisting of an underground enclosure with access from the surface of the ground or from the sea. | 
|  | ~ covering, natural covering, cover | a natural object that covers or envelops.; "under a covering of dust"; "the fox was flushed from its cover" | 
| n. (communication) | 4. cap, ceiling, roof | an upper limit on what is allowed.; "he put a ceiling on the number of women who worked for him"; "there was a roof on salaries"; "they established a cap for prices" | 
|  | ~ control | the economic policy of controlling or limiting or curbing prices or wages etc..; "they wanted to repeal all the legislation that imposed economic controls" | 
|  | ~ glass ceiling | a ceiling based on attitudinal or organizational bias in the work force that prevents minorities and women from advancing to leadership positions. | 
| v. (contact) | 5. roof | provide a building with a roof; cover a building with a roof. | 
|  | ~ thatch | cover with thatch.; "thatch the roofs" | 
|  | ~ shingle | cover with shingles.; "shingle a roof" | 
|  | ~ cover | provide with a covering or cause to be covered.; "cover her face with a handkerchief"; "cover the child with a blanket"; "cover the grave with flowers" | 
|  | ~ slate | cover with slate.; "slate the roof" | 
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