Rumen

//ˈɹu.mən// noun

Definitions

Noun
  1. 1
    The first compartment of the stomach of a cow or other ruminants.

    "In the newborn ruminant the abomasum is about as large as the rumen and remains relatively large as long as only milk is consumed (Brugnone, 1809). As the young ruminant consumes forages, the reticulum, and particularly the rumen, develop rapidly."

  2. 2
    the first compartment of the stomach of a ruminant; here food is collected and returned to the mouth as cud for chewing wordnet

Etymology

Borrowed from Latin rūmen.

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