3 definitions found

From WordNet (r) 2.0 [wn]:

rectum

noun: the terminal section of the alimentary canal; from the sigmoid flexure to the anus [also: {recta} (pl)]

From The Collaborative International Dictionary of English v.0.44 [gcide]:

Rectum \Rec"tum\ (-t?m), noun [NL. (sc. intestinum), fr. L. rectus straight. See {Right}.] (Anat.) The terminal part of the large intestine; -- so named because supposed by the old anatomists to be straight. See Illust. under {Digestive}.

From Moby Thesaurus II by Grady Ward, 1.0 [moby-thes]:

43 Moby Thesaurus words for "rectum": abdomen, anus, appendix, blind gut, bowels, brain, cecum, colon, duodenum, 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, small intestine, spleen, stomach, ticker, tripes, vermiform appendix, viscera, vitals, works

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