roof
(rōōf, rŏŏf)
[Middle English, from Old English hrōf.]
noun
- The exterior surface and its supporting structures on the top of a building.
- The upper exterior surface of a dwelling as a symbol of the home itself: three generations living under one roof.
- The top covering of something: the roof of a car.
- The upper surface of an anatomical structure, especially one having a vaulted inner structure: the roof of the mouth.
- The highest point or limit; the summit or ceiling: A roof on prices is needed to keep our customers happy.
transitive verb: roofed, roof·ing, roofs.
- To furnish or cover with or as if with a roof.
idioms
- go through the roof
- To grow, intensify, or rise to an enormous, often unexpected degree: Operating costs went through the roof last year. To become extremely angry: When I told her about breaking the window, she went through the roof.
- raise the roof
- To be extremely noisy and boisterous: They raised the roof at the party. To complain loudly and bitterly: Angry tenants finally raised the roof about their noisy neighbors.
