What is an anus? Questions › Category: Questions › What is an anus? 0 Vote Up Vote Down wyattg asked 6 years ago The anus is the anatomic name for that part of your body where your rectum ends. The anus is the opening where the gastrointestinal tract ends and exits the body. Solid waste and gas pass through the anus to leave the body. Please login or Register to submit your answer Username or Email Address Password Remember Me