Definition of crow verb from the Oxford Advanced American Dictionary

     

    crow

     verb
    verb
    NAmE//kroʊ//
     
    Verb Forms present simple I / you / we / they crow
     
    he / she / it crows
     
    past simple crowed
     
    -ing form crowing
     
     
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  1. 1[intransitive] (of a rooster) to make repeated loud high sounds, especially early in the morning A cock began to crow.
  2. 2[intransitive, transitive] (disapproving) to talk too proudly about something you have achieved, especially when someone else has been unsuccessful synonym boast synonym gloat crow (about/over something) He won't stop crowing about his victory. + speech “I've won, I've won!” she crowed. crow that… He crowed that they had sold out in one day.
See the Oxford Advanced Learner's Dictionary entry: crow