sig·moid·o·scope (sĭg-moi'də-skōp') n. A tubular instrument for visual examination of the sigmoid colon. sig·moid'o·scop'ic (-skŏp'ĭk) adj., sig'moid·os'co·py (sĭg'moi-dŏs'kə-pē) n.
Main Entry: sig·moid·o·scope Pronunciation: sig-'moid-&-"skOp Function: noun : a long hollow tubular instrument designed to bepassed through the anus in order to permit inspection, diagnosis, treatment, and photography especially of the sigmoid flexure called also proctosigmoidoscope