• synonyms


See more synonyms for rumen on Thesaurus.com
noun, plural ru·mi·na [roo-muh-nuh] /ˈru mə nə/.
  1. the first stomach of ruminating animals, lying next to the reticulum.
Show More

Origin of rumen

First recorded in 1720–30, rumen is from the Latin word rūmen throat, gullet
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Related Words


Examples from the Web for rumen

Historical Examples

  • The danger of jumping or running is greatest when the rumen is distended with food.

    Special Report on Diseases of Cattle

    U.S. Department of Agriculture

  • The rumen or first stomach of the camels and llamas is provided with so-called “water-cells,” for the storage of water.

  • In den Rumen hatten unsre Leute bereits wie die Vandalen gehaust.

  • When the distention is great, the blood is prevented from circulating in the vessels of the rumen, and is determined to the head.

  • Sometimes this accident is complicated by a rupture of the rumen, constituting a complicated hernia.

    Special Report on Diseases of Cattle

    U.S. Department of Agriculture

British Dictionary definitions for rumen


noun plural -mens or -mina (-mɪnə)
  1. the first compartment of the stomach of ruminants, behind the reticulum, in which food is partly digested before being regurgitated as cud
Show More

Word Origin

C18: from Latin: throat, gullet
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for rumen


"first stomach of a ruminant," 1728, from Latin rumen "the throat," of uncertain origin.

Show More
Online Etymology Dictionary, © 2010 Douglas Harper

rumen in Science


  1. The first and largest division of the stomach in ruminant animals, in which the food is fermented by microorganisms. See more at ruminant.
Show More
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.