aurochs(redirected from Bos primigenius)
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Related to Bos primigenius: Bos primigenius taurus
name for the ruminant mammals of the genus Bos, and particularly those of the domesticated species, Bos taurus and B. indica. The term oxen, broadly used, refers also to closely related animals, such as the buffalo and the bison.
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a recently extinct member of the cattle tribe, Bos primigenius, that inhabited forests in N Africa, Europe, and SW Asia. It had long horns and is thought to be one of the ancestors of modern cattle