'Bilge water' definitions:

Definition of 'bilge water'

noun

Water accumulated in the bilge of a ship [syn: bilge, bilge water]

From: GCIDE

Bilge \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. [1913 Webster]
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. [1913 Webster]
3. Bilge water. [1913 Webster]
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. [1913 Webster]