sigmoidoscope sigmoidorectostomy • sigmoidoscopy · · · Info · Definitions · Synonyms · Characters · · sigmoidoscope · · Text Latin · · Script 13 · · Length 4 · · Syllables Definitions · · · (noun) an endoscope (a flexible fiberoptic probe) for examining the sigmoid colon. Synonyms: flexible sigmoidoscope. · · Noun Definition 1 Synonyms · · · flexible sigmoidoscope · · Synonym 1 Characters · · c latin small letter c U+0063 d latin small letter d U+0064 e latin small letter e U+0065 g latin small letter g U+0067 i latin small letter i U+0069 m latin small letter m U+006D o latin small letter o U+006F p latin small letter p U+0070 s latin small letter s U+0073