The one where digestion takes place

• Nuclear weapon nearly a problem for digestive system
• The fourth compartment of the stomach of a ruminant

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Abomasum \Ab`o*ma"sum\, ||Abomasus \Ab`o*ma"sus\, n. [NL., fr. L. ab + omasum (a Celtic word).] (Anat.) The fourth or digestive stomach of a ruminant, which leads from the third stomach omasum. See Ruminantia .

WordNet Word definitions in WordNet
n. the fourth compartment of the stomach of a ruminant; the one where digestion takes place [syn: fourth stomach ]

Wiktionary Word definitions in Wiktionary
n. (context anatomy English) The fourth or digestive compartment of the stomach of a cow or other ruminant, after the omasum.

Wikipedia Word definitions in Wikipedia
The abomasum , also known as the maw , rennet-bag , or reed tripe , is the fourth and final stomach compartment in ruminants . It secretes rennet , which is used in cheese creation. The word abomasum is from New Latin and it was first used in English in ...