Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

rumen

play
noun ru·men \ˈrü-mən\

Definition of rumen

plural rumina play \-mə-nə\ or rumens

  1. :  the large first compartment of the stomach of a ruminant in which cellulose is broken down by the action of symbiotic microorganisms — compare abomasum, omasum, reticulum

ruminal play \-mə-nəl\ adjective


Origin of rumen

New Latin rumin-, rumen, from Latin


First Known Use: circa 1728

Rhymes with rumen


Medical Dictionary

rumen

play
noun ru·men \ˈrü-mən\

Medical Definition of rumen

plural rumina \-mə-nə\play or rumens

  1. :  the large first compartment of the stomach of a ruminant from which food is regurgitated for rumination and in which cellulose is broken down by the action of symbiotic microorganisms—called also ; compare abomasum, omasum, reticulum




Learn More about rumen

  1. Medical Dictionary: Definition of "rumen" Britannica.com: Encyclopedia article about "rumen"


Seen and Heard

What made you want to look up rumen? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

immature or lacking adult sophistication

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

prompt maudlin angry oily
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ