- the first stomach of ruminating animals, lying next to the reticulum.
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
Examples from the Web for rumen
The danger of jumping or running is greatest when the rumen is distended with food.
The rumen or first stomach of the camels and llamas is provided with so-called “water-cells,” for the storage of water.The Anatomy of the Human Peritoneum and Abdominal Cavity
George. S. Huntington
In den Rumen hatten unsre Leute bereits wie die Vandalen gehaust.German Atrocities from German Evidence
When the distention is great, the blood is prevented from circulating in the vessels of the rumen, and is determined to the head.Sheep, Swine, and Poultry
Sometimes this accident is complicated by a rupture of the rumen, constituting a complicated hernia.
- the first compartment of the stomach of ruminants, behind the reticulum, in which food is partly digested before being regurgitated as cud
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.
Online Etymology Dictionary, © 2010 Douglas Harper
- 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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