(nautical) The rounded portion of a ship's hull, forming a transition between the bottom and the sides.

(nautical) The lowest inner part of a ship's hull, where water accumulates.

(uncountable) The water accumulated in the bilge; bilge water.

(slang, uncountable) Stupid talk or writing; nonsense.

The bulging part of a barrel or cask.

(nautical, intransitive) To spring a leak in the bilge.

(intransitive) To bulge or swell.

(nautical, transitive) To break open the bilge(s) of.