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rumen

[roo-min]
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noun, plural ru·mi·na [roo-muh-nuh] /ˈru mə nə/.
  1. the first stomach of ruminating animals, lying next to the reticulum.
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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

foodchewrumenbolusquid

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

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
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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

n.

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

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Online Etymology Dictionary, © 2010 Douglas Harper

rumen in Science

rumen

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