abomasum

noun ab·oma·sum \ˌa-bō-ˈmā-səm\

plural ab·oma·sa\-sə\

Definition of ABOMASUM

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

— ab·oma·sal \-səl\ adjective

New Latin, from Latin ab- + omasum ox's tripe

First Known Use: 1678

Medical Dictionary

noun ab·oma·sum \ˌab-ō-ˈmā-səm\

plural ab·oma·sa \-sə\

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

—ab·oma·sal \-səl\ adjective

Next Word in the Dictionary: A–bombPrevious Word in the Dictionary: abomaAll Words Near: abomasum

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

Put-downs with flair

How to use a word that (literally) drives some people nuts.

Test your vocab with our fun, fast game

Ailurophobia, and 9 other unusual fears