Search Result for "colonoscope": 
Wordnet 3.0

NOUN (1)

1. an elongated fiberoptic endoscope for examining the entire colon from cecum to rectum; 



WordNet (r) 3.0 (2006):

colonoscope
    n 1: an elongated fiberoptic endoscope for examining the entire
         colon from cecum to rectum