[ roo-min ]
/ ˈru mɪn /

noun, plural ru·mi·na [roo-muh-nuh] /ˈru mə nə/.

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 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for rumen

British Dictionary definitions for rumen


/ (ˈruːmɛn) /

noun plural -mens or -mina (-mɪnə)

the first compartment of the stomach of ruminants, behind the reticulum, in which food is partly digested before being regurgitated as cud

Word Origin for rumen

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

Science definitions for rumen


[ rōōmən ]

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