\Bilge\, n. [A different orthography of bulge, of same
origin as belly. Cf. {Belly}, {Bulge}.]
1. The protuberant part of a cask, which is usually in the
   middle.
2. (Naut.) That part of a ship's hull or bottom which is
   broadest and most nearly flat, and on which she would rest
   if aground.
3. Bilge water.
{Bilge free} (Naut.), stowed in such a way that the bilge is
   clear of everything; -- said of a cask.
{Bilge pump}, a pump to draw the bilge water from the gold of
   a ship.
{Bilge water} (Naut.), water which collects in the bilge or
   bottom of a ship or other vessel. It is often allowed to
   remain till it becomes very offensive.
{Bilge ways}, the timbers which support the cradle of a ship
   upon the ways, and which slide upon the launching ways in
   launching the vessel.

\Bilge\ (b[i^]lj), v. i. [imp. & p. p. {Bilged}
(b[i^]ljd); p. pr. & vb. n. {Bilging}.]
1. (Naut.) To suffer a fracture in the bilge; to spring a
   leak by a fracture in the bilge.
2. To bulge.

\Bilge\, v. t.
1. (Naut.) To fracture the bilge of, or stave in the bottom
   of (a ship or other vessel).
2. To cause to bulge.