Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun The fourth division of the stomach in ruminant animals, such as cows, sheep, and deer, in which digestion takes place.

from The Century Dictionary.

  • noun The fourth or true stomach of ruminating animals, lying next to the omasum or third stomach, and opening through the pylorus into the duodenum. See cut under ruminant.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Anat.) The fourth or digestive stomach of a ruminant, which leads from the third stomach omasum. See ruminantia.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun anatomy The fourth or digestive stomach of a ruminant, which leads from the third stomach, the omasum.

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

  • noun the fourth compartment of the stomach of a ruminant; the one where digestion takes place

Etymologies

from Wiktionary, Creative Commons Attribution/Share-Alike License

New Latin, from Latin ab ("away from") + omāsum ("tripe of a bullock")

Examples

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