abomasum
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ab·o·ma·sum
(ăb′ō-mā′səm)n. pl. ab·o·ma·sa (-sə)
The fourth division of the stomach in ruminant animals, such as cows, sheep, and deer, in which digestion takes place.
ab′o·ma′sal (-səl) adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
abomasum
(ˌæbəˈmeɪsəm) orabomasus
n, pl -sa (-sə) or -si (-saɪ)
(Zoology) the fourth and last compartment of the stomach of ruminants, which receives and digests food from the psalterium and passes it on to the small intestine
[C18: New Latin, from ab-1 + omāsum bullock's tripe]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
ab•o•ma•sum
(ˌæb əˈmeɪ səm)n., pl. -sa (-sə).
the fourth or true stomach of the cow and other ruminants, from which partially fermented and digested food is passed to the small intestine.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
ab·o·ma·sum
(ăb′ō-mā′səm) The fourth division of the stomach in ruminant animals, and the only one having glands that secrete acids and enzymes for digestion. It corresponds anatomically to the stomachs of other mammals. See more at ruminant.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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| Noun | 1. |  abomasum - the fourth compartment of the stomach of a ruminant; the one where digestion takes placeruminant - any of various cud-chewing hoofed mammals having a stomach divided into four (occasionally three) compartments stomach, tum, tummy, breadbasket - an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion |
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