SIGMOIDS

Noun

sigmoids

plural of sigmoid

Source: Wiktionary

SIGMOID

Sig"moid, Sig*moid"al, a. Etym: [Gr. sigmoïde.]

Definition: Curved in two directions, like the letter S, or the Greek s. 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.

Source: Webster’s Unabridged Dictionary 1913 Edition