Definitions for: Rumen

[n] the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing

Webster (1913) Definition: Ru"men, n. [L. rumen, - inis, the throat.]
1. (Anat.) The first stomach of ruminants; the paunch; the
fardingbag. See Illust. below.

2. The cud of a ruminant.

Synonyms: first stomach

See Also: breadbasket, ruminant, stomach, tum, tummy