1. Noun. (alternative form of abomasum) ¹
¹ Source: wiktionary.com
1. abomasum [n -MASI] - See also: abomasum
1. The fourth or digestive stomach of a ruminant, which leads from the third stomach omasum. See Ruminantia. Origin: NL, fr. L. Ab + omasum (a Celtic word). Source: Websters Dictionary (01 Mar 1998)