/ Dictionary / Index R roof: Meaning and Definition of Find definitions for: roof Pronunciation: (rf, roof), [key] — n., pl. v. roofs, —n. the external upper covering of a house or other building. a frame for supporting this: an open-timbered roof. the highest part or summit: The Himalayas are the roof of the world. something that in form or position resembles the roof of a house, as the top of a car, the upper part of the mouth, etc. a house. the rock immediately above a horizontal mineral deposit. Foreign travel may very well go through the roof next year. to increase beyond all expectations:Foreign travel may very well go through the roof next year. Also,hit the roof,Informal.to lose one's temper; become extremely angry. The applause raised the roof. to create a loud noise:The applause raised the roof. to complain or protest noisily:He'll raise the roof when he sees that bill. —v.t. to provide or cover with a roof. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: roof (Thesaurus) rood spire roof-deck Related Content Daily Word Quiz: dissonant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language