omasum

noun

The third division of the stomach of a ruminant animal, located between the abomasum and the reticulum.

noun

The third stomach of a ruminant; the psalterium or manyplies. See abomasum.

noun

The third division of the stomach of ruminants. See manyplies, and Illust. under ruminant.

noun

The third part of the stomach of a ruminant.

noun

the third compartment of the stomach of a ruminant