American English

Definition of roof verb from the Oxford Advanced American Dictionary



, NAmE//rʊf//
[often passive]Verb Forms present simple I / you / we / they roof
he / she / it roofs
past simple roofed
-ing form roofing
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to cover something with a roof; to put a roof on a building roof something (in/over) The shopping center is not roofed over. roof something with/in something Their cottage was roofed with green slate.
See the Oxford Advanced Learner's Dictionary entry: roof