anal

Any of the anal scales of a reptile.

Anal sex.

“I'll do anything except anal.”

Of, related to, intended for or involving the anus.

“an anal examination”

Of the stage in psychosexual development when the child's interest is alleged to be concentrated on the anal region.

Of a person, compulsive and stubborn, obsessed with neatness and accuracy, supposedly from not having progressed beyond the anal stage.

“Please don't touch his furniture, as he can get very anal about things like that.”

(of a vein) Proximate to the thorax.