abomasum

noun

ab·​oma·​sum ˌa-bō-ˈmā-səm 

plural abomasa ˌa-bō-ˈmā-sə 

: the fourth compartment of the ruminant stomach that follows the omasum and has a true digestive function compare rumen, reticulum

abomasal

ˌa-bō-ˈmā-səl 

adjective

Word History

Etymology

borrowed from New Latin abomāsum, from ab- ab- + omāsum omasum

First Known Use

1678, in the meaning defined above

Medical Definition

abomasum

noun

ab·​oma·​sum ˌab-ō-ˈmā-səm 

plural abomasa -sə 

: the fourth compartment of the ruminant stomach that follows the omasum and has a true digestive function compare rumen, reticulum

abomasal

-səl 

adjective