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