Definition of buddy noun from the Oxford Advanced American Dictionary

     

    buddy

     noun
    noun
    NAmE//ˈbʌdi//
     
    (pl. buddies)
     
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  1. 1 (also bud) (informal) a friend an old college buddy of mine Howard and Mike were drinking buddies.
  2. 2 (also bud) (informal) used to speak to a man you do not know “Where to, buddy?” the driver asked.
  3. 3 a partner who does an activity with you so that you can help each other The school uses a buddy system to pair newcomers with older students. Her driving buddy was in trouble.
See the Oxford Advanced Learner's Dictionary entry: buddy