A surname.

(diving) A style of diving into a body of water in which the surface impact is made mostly by one's abdomen.

To perform this type of dive.

A form of dance originating in the Middle East and characterized by movements of the torso.

To perform a belly dance.

(informal) The navel.

Alternative spelling of belly button

A protruding belly caused by excess fat stored in the abdomen and colloquially attributed to the consumption of beer.

Alternative spelling of belly up

(idiomatic) Dead or defunct.