adj. & n. --adj. 1 curved like the uncial sigma; crescent-shaped. 2 S-shaped. --n. (in full sigmoid flexure) Anat. the curved part of the intestine between the colon and the rectum. [Gk sigmoeides (as SIGMA)]
SIGMOID
Meaning of SIGMOID in English
English main colloquial, spoken dictionary. Английский основной разговорный словарь. 2012