Source : Webster's Revised Unabridged Dictionary (1913)

Bulge \Bulge\, n. [OE. bulge a swelling; cf. AS. belgan to
   swell, OSw. bulgja, Icel. b[=o]lginn swollen, OHG. belgan to
   swell, G. bulge leathern sack, Skr. b?h to be large, strong;
   the root meaning to swell. Cf. {Bilge}, {Belly}, {Billow},
   {Bouge}, n.]
   1. The bilge or protuberant part of a cask.

   2. A swelling, protuberant part; a bending outward, esp. when
      caused by pressure; as, a bulge in a wall.

   3. (Naut.) The bilge of a vessel. See {Bilge}, 2.

   {Bulge ways}. (Naut.) See {Bilge ways}.