Definition of warhorse noun from the Oxford Advanced American Dictionary

     

    warhorse

     noun
    noun
    NAmE//ˈwɔrhɔrs//
     
     
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  1. 1 (informal) an old soldier or politician who has a lot of experience
  2. 2(in the past) a large horse used in battle
See the Oxford Advanced Learner's Dictionary entry: warhorse