abomasa

ab·o·ma·sum

[ab-uh-mey-suhm]
noun, plural ab·o·ma·sa [ab-uh-mey-suh] .
the fourth or true stomach of cud-chewing animals, lying next to the omasum.

Origin:
1700–10; < Neo-Latin; see ab-, omasum

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Collins
World English Dictionary
abomasum (ˌæbəˈmeɪsəm) [Click for IPA pronunciation guide]
 
n
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 & Unabridged 10th Edition
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00:10
Abomasa is always a great word to know.
So is doohickey. Does it mean:
a children's mummer's parade, as on the Fourth of July, with prizes for the best costumes.
a gadget; dingus; thingumbob.
American Heritage
Science Dictionary
abomasum   (āb'ō-mā'səm)  Pronunciation Key 
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.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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