omasum

noun

oma·​sum ō-ˈmā-səm 

plural omasa ō-ˈmā-sə 

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

Word History

Etymology

borrowed from New Latin omāsum, going back to Latin, "oxʼs tripe," of obscure origin

First Known Use

1556, in the meaning defined above

Medical Definition

omasum

noun

oma·​sum ō-ˈmā-səm 

plural omasa -sə 

: the third chamber of the ruminant stomach that is situated between the reticulum and the abomasum

called also manyplies, psalterium

compare rumen