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English definition of “roof”

roof

noun [C]  /ruf, rʊf/ us  
the covering that forms the top of a building, vehicle, or other object: The school has a flat roof. The roof of your mouth is the mouth’s upper, inside surface: Peanut butter sticks to the roof of your mouth.
roof
verb [T]  /ruf, rʊf/ us  
They roofed the house with old-fashioned shingles.
(Definition of roof from the Cambridge Academic Content Dictionary © Cambridge University Press)
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