noun, plural o·ma·sa [oh-mey-suh] /oʊˈmeɪ sə/,
the third stomach of a ruminant, between the reticulum and the abomasum; the manyplies.
Origin of omasum
1700–10; < New Latin, Latin omāsum bullock's tripe
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
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Aboma′sum, or Aboma′sus, the fourth stomach of ruminating animals, next the omasum or third stomach.
noun plural -sa (-sə)
Word Origin for omasum
C18: from Latin: bullock's tripe
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
The third division of the stomach in ruminant animals. It removes excess water from food and further reduces the size of food particles before passing them to the abomasum for digestion by enzymes. See more at ruminant.
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