English

Definition of roof verb from the Oxford Advanced Learner's Dictionary

 

roof

 verb
verb
BrE BrE//ruːf//
 
; NAmE NAmE//ruːf//
 
Verb Forms present simple I / you / we / they roof
BrE BrE//ruːf//
 
; NAmE NAmE//ruːf//
 
he / she / it roofs
BrE BrE//ruːfs//
 
; NAmE NAmE//ruːfs//
 
past simple roofed
BrE BrE//ruːft//
 
; NAmE NAmE//ruːft//
 
past participle roofed
BrE BrE//ruːft//
 
; NAmE NAmE//ruːft//
 
-ing form roofing
BrE BrE//ˈruːfɪŋ//
 
; NAmE NAmE//ˈruːfɪŋ//
 
 
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[often passive] to cover something with a roof; to put a roof on a building roof something (in/over) The shopping centre is not roofed over. roof something with/in something Their cottage was roofed with green slate. Word Origin Old English hrōf, of Germanic origin; related to Old Norse hróf ‘boat shed’, Dutch roef ‘deckhouse’. English alone has the general sense ‘covering of a house’; other Germanic languages use forms related to thatch.
See the Oxford Advanced American Dictionary entry: roof