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English definition of “roof”

roof

noun [C]     /ruːf/
A2 the covering that forms the top of a building , vehicle , etc.: The house has a sloping / flat / tiled / thatched , etc. roof. Put the luggage on the roof of the car . The roof (= upper surface ) of the cave is 50 metres up. This cake is so dry that it sticks to the roof of your mouth (= upper surface of the mouth ).Roofs and parts of roofsThe exterior of vehicles
(Definition of roof noun from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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