RUMEN

rumen, first stomach

(noun) the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing

Source: WordNet® 3.1

Etymology

Noun

rumen (plural rumina or rumens)

The first compartment of the stomach of a cow or other ruminants.

Synonyms

• paunch

• fack

• fardingbag

Source: Wiktionary

Ru"men, n. Etym: [L. rumen, -inis, the throat.]

1. (Anat.)

Definition: The first stomach of ruminants; the paunch; the fardingbag. See Illust. below.

2. The cud of a ruminant.

Source: Webster’s Unabridged Dictionary 1913 Edition