English dictionary

rumen

/'r/u/m/E/n/

Definitions, examples, synonyms and antonyms from WordNet 3.0.

noun

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

noun.animal

Synonyms first stomach

Source: WordNet 3.0
The first stomach of ruminants; the paunch; the fardingbag. See <i>Illust.</i> below.

noun

Source: webster1913