[1] : The Collaborative International Dictionary of English v.0.48

abomasum \ab`oma"sum\, abomasus \ab`oma"sus\, n. nl., fr. l.
   ab + omasum a celtic word. anat.
   the fourth or digestive stomach of a ruminant, which leads
   from the third stomach omasum. see ruminantia.
   1913 webster
see also:
ruminantia 

[2] : WordNet (r) 2.0

abomasum
     n : the fourth compartment of the stomach of a ruminant; the one
         where digestion takes place syn: fourth stomach
see also:
fourth stomach 

Abomasum >> A Words
Abomasum, definition of term: Abomasum
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