the first stomach of a ruminant
Origin of rumenModern Latin ; from Classical Latin throat, gullet ; from Indo-European an unverified form reusmen, rumination, throat from source Sanskrit rōmantha
nounpl. ru·mi·na or ru·mens
The first division of the stomach of a ruminant animal, in which most food collects immediately after being swallowed and from which it is later returned to the mouth as cud for thorough chewing. Also called paunch.
Origin of rumenLatin rūmen; akin to Sanskrit romantha-, ruminant, chewing the cud.