abomasum

[ ab-uh-mey-suh m ]

/ ˌæb əˈmeɪ səm /

noun, plural ab·o·ma·sa [ab-uh-mey-suh] /ˌæb əˈmeɪ sə/.

the fourth or true stomach of cud-chewing animals, lying next to the omasum.

Nearby words

abolition, abolitionism, abolitionist, abolitionize, abolla, abomasum, abomasus, abomey, abominable, abominable snowman, abominate

Origin of abomasum

From New Latin, dating back to 1700–10; see origin at ab-, omasum

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for abomasum

These are called the paunch, the honeycomb stomach or bag, the manyplies and the abomasum.
The Animal World, A Book of Natural History|Theodore Wood
Most, however, have four, the leaf stomach or psalterium being intercalated between the retinaculum and the abomasum.
The Anatomy of the Human Peritoneum and Abdominal Cavity|George. S. Huntington
Finally there is the abomasum, out of which proceeds the small intestine.
The Cambridge Natural History, Vol X., Mammalia|Frank Evers Beddard

British Dictionary definitions for abomasum

abomasum

/ (ˌæbəˈmeɪsəm) /

noun

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

Word Origin for abomasum

C18: New Latin, from ab- 1 + omāsum 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

Science definitions for abomasum

abomasum

[ ăb′ō-mā′səm ]

Plural abomasa

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.