| Omasum (n.) The third division of the stomach of ruminants. See Ruminant. Thesaurus Entries abomasum, anus, appendix, bay window, beerbelly, belly, blind gut, bowels, brain, breadbasket, cecum, colon, corporation, craw, crop, diaphragm, duodenum, embonpoint, endocardium, entrails, first stomach, foregut, giblets, gizzard, gullet, gut, guts, heart, hindgut, honeycomb stomach, innards, inner mechanism, insides, internals, intestine, inwards, jejunum, kidney, kishkes, large intestine, liver, liver and lights, lung, manyplies, maw, middle, midgut, midriff, midsection, omasum, paunch, perineum, pod, pot, potbelly, potgut, psalterium, pump, pusgut, pylorus, rectum, rennet bag, reticulum, rumen, second stomach, small intestine, spare tire, spleen, stomach, swagbelly, third stomach, ticker, tripes, tum-tum, tummy, underbelly, venter, ventripotence, vermiform appendix, viscera, vitals, works |