In terms of the anus and rectum.

A person suffering from anorexia nervosa; an anorexic. / A drug or dietary supplement that reduces the appetite so as to promote weight loss.

Characterised by a lack of appetite, especially as suffering from anorexia nervosa; anorexic. / Causing a loss of appetite.

plural of anorectic

In an anorectic way.

(anatomy) Of or pertaining to the anus and the rectum.

(archaic) anorectic; lacking appetite