Found 2 items, similar to sigmoid.
English → English (WordNet) Definition: sigmoid sigmoid adj 1: curved in two directions (like the letter S) 2: of or relating to the sigmoid flexure in the large intestine [syn: sigmoidal]
English → English (gcide) Definition: Sigmoid Sigmoid \Sig"moid\, Sigmoidal \Sig*moid"al\, a. [Gr. ???; ??? sigma + e'i^dos form, likeness: cf. F. sigmo["i]de.] Curved in two directions, like the letter S, or the Greek [sigmat]. [1913 Webster] Sigmoid flexure (Anat.), the last curve of the colon before it terminates in the rectum. See Illust. under Digestive. Sigmoid valves. (Anat.) See Semilunar valves, under Semilunar. [1913 Webster]