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

 

rev

 verb
verb
BrE BrE//rev//
 
; NAmE NAmE//rev//
 
Verb Forms present simple I / you / we / they rev
BrE BrE//rev//
 
; NAmE NAmE//rev//
 
he / she / it revs
BrE BrE//revz//
 
; NAmE NAmE//revz//
 
past simple revved
BrE BrE//revd//
 
; NAmE NAmE//revd//
 
past participle revved
BrE BrE//revd//
 
; NAmE NAmE//revd//
 
-ing form revving
BrE BrE//ˈrevɪŋ//
 
; NAmE NAmE//ˈrevɪŋ//
 
 
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(revving, revved) [transitive, intransitive] rev (something) (up) when you rev an engine or it revs, it runs quickly The taxi driver revved up his engine. I could hear the car revving outside. Word Origin early 20th cent.: abbreviation of revolution.
See the Oxford Advanced American Dictionary entry: rev