Definition of bike noun from the Oxford Advanced Learner's Dictionary

      

    bike

     noun
    noun
    BrE BrE//baɪk//
     
    ; NAmE NAmE//baɪk//
     
    (informal) Cycling, Types of vehicle
     
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  1. 1  a bicycle She got on her bike and rode off. I usually go to work by bike. see also mountain bike, pushbike, quad bike See related entries: Cycling
  2. 2  a motorcycle See related entries: Types of vehicle
  3. Word Origin late 19th cent.: abbreviation.Extra examples He got on his bike and rode off. She came off her bike when it skidded on some wet leaves. She pedalled her bike up the track. She tried to pedal her bike up the track. We had to push our bikes up the hill. We watched the boys on their bikes.Idioms (British English, informal) a rude way of telling somebody to go away
See the Oxford Advanced American Dictionary entry: bike