Definitions of aurochs
  1. noun
    large recently extinct long-horned European wild ox; considered one of the ancestors of domestic cattle
    synonyms: Bos primigenius, urus
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    type of:
    ox, wild ox
    any of various wild bovines especially of the genera Bos or closely related Bibos
  2. noun
    European bison having a smaller and higher head than the North American bison
    synonyms: Bison bonasus, wisent
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    type of:
    any of several large humped bovids having shaggy manes and large heads and short horns
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