from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. An adult castrated bull of the genus Bos, especially B. taurus, used chiefly as a draft animal.
  • n. A bovine mammal.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • n. Any bovine animal used as a beast of burden or for food, especially an adult castrated male of the domestic species.

from the GNU version of the Collaborative International Dictionary of English

  • n. The male of bovine quadrupeds, especially the domestic animal when castrated and grown to its full size, or nearly so. The word is also applied, as a general name, to any species of bovine animals, male and female.

from The Century Dictionary and Cyclopedia

  • n. The adult male of the domestic Bos taurus, known in the natural state as a bull, whose female is a cow, and whose young is a calf; in a wider sense, an animal of the family Bovidæ and subfamily Bovinæ or Ovibovinæ; a bovine.
  • n. In a restricted sense, the castrated male of Bos taurus, at least 4 years old and full-grown or nearly so. (See steer.) Such animals are most used as draft-animals and for beef.
  • n. Same as ox-coin.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. any of various wild bovines especially of the genera Bos or closely related Bibos
  • n. an adult castrated bull of the genus Bos; especially Bos taurus


Middle English, from Old English oxa.
(American Heritage® Dictionary of the English Language, Fourth Edition)
Old English oxa, from Proto-Germanic *uhsô (compare West Frisian okse, Dutch os, German Ochse), from Proto-Indo-European *uksḗn (compare Welsh ych 'ox', Tocharian A/B ops/okso 'draft-ox', Avestan uxšan 'bull', Sanskrit ukṣán). (Wiktionary)



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