| Duodenum (n.) The part of the small intestines between the stomach and the jejunum. See Digestive. Thesaurus Entries abdomen, anus, appendix, blind gut, bowels, brain, cecum, colon, endocardium, entrails, foregut, giblets, gizzard, guts, heart, hindgut, innards, inner mechanism, insides, internals, intestine, inwards, jejunum, kidney, kishkes, large intestine, liver, liver and lights, lung, midgut, perineum, pump, pylorus, rectum, small intestine, spleen, stomach, ticker, tripes, vermiform appendix, viscera, vitals, works |