 Sigmoid
Sigmoid
Pronunciation : Sig"moid, Sig*moid"al
Part of Speech : a.
Etymology : [Gr. sigmo?de.]
Definition : Defn: 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
 Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder
Merriam-Webster's Everyday Language Reference Set: Includes: The Merriam-Webster Dictionary, The Merriam-Webster Thesaurus, and The Merriam-Webster Vocabulary Builder