Roof (noun) Definition, Meaning & Examples

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noun, plural roofs.
  1. the external upper covering of a house or other building.
  2. a frame for supporting this: an open-timbered roof.
  3. the highest part or summit: The Himalayas are the roof of the world.
  4. 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.
  5. a house.
  6. the rock immediately above a horizontal mineral deposit.
verb (used with object)
  1. to provide or cover with a roof.
Idioms
  1. go through the roof,
    • to increase beyond all expectations: Foreign travel may very well go through the roof next year.
    • to lose one's temper; become extremely angry.
  2. raise the roof, Informal.
    • 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.
noun plural roofs (ruːfs, ruːvz)
    • a structure that covers or forms the top of a building
    • (in combination)
    • (as modifier)
  2. the top covering of a vehicle, oven, or other structure
  3. any structure that covers an organ or part
  4. a highest or topmost point or part
  5. a house or other shelter
  6. the underside of a projecting overhang
  7. hit the roof or go through the roof informal
    • to get extremely angry; become furious
    • to rise or increase steeply
  8. raise the roof
    • to create a boisterous disturbance
    • to react or protest heatedly
verb
  1. to provide or cover with a roof or rooflike part
Roof (noun) Definition, Meaning & Examples

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