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omasum

American  
[oh-may-suhm] / oʊˈmeɪ səm /

noun

  • omasa
    plural
  1. the third stomach of a ruminant, between the reticulum and the abomasum; the manyplies.


omasum British  
/ əʊˈmeɪsəm /

noun

  1. another name for psalterium

"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

omasum Scientific  
/ ō-mā′səm /
  • omasa
    plural
  1. The third division of the stomach in ruminant animals. It removes excess water from food and further reduces the size of food particles before passing them to the abomasum for digestion by enzymes.

  2. See more at ruminant


Other Word Forms

Noun Inflected Forms

Etymology

Origin of omasum

1700–10; < New Latin, Latin omāsum bullock's tripe

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

These animals do not have a rumen but have an omasum, abomasum, and reticulum.

From Textbooks ● Jun. 9, 2022

The ruminant regurgitates cud from the rumen, and the food is passed into the omasum for water removal and then into the small and large intestines for nutrient and further water absorption.

From Textbooks ● Jun. 9, 2022

Ruminants regurgitate cud from the rumen, and the food is passed into the omasum for water removal and then into the small and large intestines for nutrient and further water absorption.

From Textbooks ● Jun. 9, 2022

The ruminant regurgitates cud from the reticulum, chews it, and swallows it into a third stomach, the omasum, which removes water.

From Textbooks ● Jun. 9, 2022

The most important function of the rumen and omasum is the maceration of the fibrous substances, and the digestion of the cellulose.

From Common Diseases of Farm Animals by R. A. Craig, D.V.M.

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