Noun
a doctor specializing in diseases of the rectum and anus
Source: WordNetRectory always sounded to me like a place you would find a proctologist. Jeff Lindsay
My proctologist has The Thumb of Doom too. Kerry Jackson
During a visit to a proctologist, you'll be asked if you've experienced symptoms that concern the rectum and colon. Source: Internet
She was pleasant enough while busily probing the private parts of their lives, like an overly friendly proctologist. Source: Internet
The proctologist will visually examine the area around your anus. Source: Internet