/ Dictionary / Index S sigmoidoscopy: Meaning and Definition of Find definitions for: sig•moid•os•co•py Pronunciation: (sig"moi-dos'ku-pē), [key] — pl. -pies. an examination by means of a sigmoidoscope. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: sigmoidoscopy (Thesaurus) sigmoidoscope Sigmund Related Content Daily Word Quiz: neologism Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language