Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun rumen

1 sense of rumen

Sense 1
rumen, first stomach -- (the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing)
       => stomach, tummy, tum, breadbasket -- (an enlarged and muscular saclike organ of the alimentary canal; the principal organ of digestion)