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omasum

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

noun

plural

omasa
  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-māsəm /

plural

omasa
  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


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.

The four compartments of the stomach are called the rumen, reticulum, omasum, and abomasum.

From Textbooks • Jun. 9, 2022

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 four compartments into which it is divided are the rumen, reticulum, omasum, and abomasum or true stomach.

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