Definition of ox noun from the Oxford Advanced American Dictionary

     

    ox

     noun
    noun
    NAmE//ɑks//
     
    (pl. oxen
    NAmE//ˈɑksn//
     
    )
     
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  1. 1 a bull (= a male cow) that has been castrated (= had part of its sex organs removed), used, especially in the past, for pulling farm equipment, etc. compare bullock, steer
  2. 2(old-fashioned) any cow or bull on a farm see also cattle
See the Oxford Advanced Learner's Dictionary entry: ox