Source : Webster's Revised Unabridged Dictionary (1913)

Bulge \Bulge\, v. i. [imp. & p. p. {Bulged}; p. pr. & vb. n.
   {Bulging}.]
   1. To swell or jut out; to bend outward, as a wall when it
      yields to pressure; to be protuberant; as, the wall
      bulges.

   2. To bilge, as a ship; to founder.

            And scattered navies bulge on distant shores.
                                                  --Broome.

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}.

Source : WordNet®

bulge
     v 1: swell or protrude outwards; "His eyes bulged with surprise"
          [syn: {pouch}, {protrude}]
     2: bulge out; form a bulge outward, or be so full as to appear
        to bulge [syn: {bag}]
     3: bulge outward; "His eyes popped" [syn: {protrude}, {pop}, {pop
        out}, {bulge out}, {bug out}, {come out}]
     4: cause to bulge or swell outwards [syn: {bulk}]

bulge
     n : something that bulges out or is protuberant or projects from
         a form [syn: {bump}, {hump}, {gibbosity}, {gibbousness},
         {jut}, {prominence}, {protuberance}, {protrusion}, {extrusion},
          {excrescence}]