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

omasum

play
noun oma·sum \ō-ˈmā-səm\

Definition of omasum

plural oma·sa play \-sə\

  1. :  the third chamber of the ruminant stomach that is situated between the reticulum and the abomasum — compare rumen



Origin of omasum

New Latin, from Latin, tripe of a bullock


First Known Use: 1556


Medical Dictionary

omasum

play
noun oma·sum \ō-ˈmā-səm\

Medical Definition of omasum

plural oma·sa \-sə\play

  1. :  the third chamber of the ruminant stomach that is situated between the reticulum and the abomasum—called also manyplies, psalterium; compare rumen




Learn More about omasum

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


Seen and Heard

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

WORD OF THE DAY

February 9, 2016

marked by high spirits and laughter

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image1037863653

Which of the following refers to thin, bending ice, or to the act of running over such ice?

pince-nez kittly-benders duvet spindrift
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ