Rumen
Pronunciation : Ru"men
Part of Speech : n.
Etymology : [L. rumen, -inis, the throat.]
Definition : 1. (Anat.)
Defn: The first stomach of ruminants; the paunch; the fardingbag. See Illust. below.
2. The cud of a ruminant.
Source : Webster's Unabridged Dictionary, 1913