rumen
1. [ noun ] (anatomy,zoology) the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing
Synonyms: first_stomach
Related terms: tum ruminant
Similar spelling:   runyon
  Runyan
  Runion
  run-on
  run-in
  run_on
  Runnion
  Rumania