What is the meaning of Bulge?

Something sticking out from a surface; a swelling, protuberant part; a bending outward, especially when caused by pressure.

The bilge or protuberant part of a cask.

The bilge of a vessel.

The outline of male genitals visible through clothing.

A sudden rise in value or quantity.

To stick out from (a surface).

To bilge, as a ship; to founder.

Source: wiktionary.org