[ noun ] visual examination of the rectum and the end of the colon by means of a proctoscope <noun.act>
Ninty-seven percent of the surveyed women 18 or older had heard of Pap smears, but only 68 percent of the people 40 or older had heard of proctoscopy, the CDC report said, citing results from 5,723 interviews in January through March 1987.