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roof - definition and synonyms

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noun [countable]     roof pronunciation in American English
Word Forms
pluralroofs or rooves
  1. 1
    the top outer part of a building

    The roof is leaking again.

    a thatched roof (=made of straw)

    1. a.
      the top outer part of a vehicle

      One man had climbed onto the roof of his car.

    2. b.
      the top outer part of a temporary structure

      Rain pattered on the roof of the tent.

  2. 2
    the highest part of an underground area or structure

    rock formations on the roof of the cave

  3. 3
    the hard top part of the inside of your mouth
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