anorectal

Relating to the anus and the rectum.

Pertaining to, emanating from or affecting the anorectum.

• a. abscess — see perianal fistula.
• a. anastomosis — surgical resection of rectal neoplasms may require removal of a bowel segment and subsequent union of rectum to skin.
• a. stricture — usually secondary to surgical trauma, foreign body, neoplasia or inflammatory disease.

The adjective has one meaning:

Meaning #1: pertaining to the anus and rectum considered together
  Pertains to nouns: anus (meaning #1), rectum (meaning #1)