1. A protruding part; an outward curve or swelling.
2. Nautical A bilge.
3. A sudden, usually temporary increase in number or quantity: The baby boom created a bulge in school enrollment.
4. An advantage.
v.bulged, bulg·ing, bulg·es
v.tr.
To cause to curve outward.
v.intr.
1. To curve outward.
2. To swell up.
3. To stick out; protrude.
4. To be filled or overfilled: pockets bulging with coins.
[Middle English, pouch, from Old French bulge, bouge, from Latin bulga, bag, of Celtic origin; see bhelgh- in Indo-European roots.]
bulgi·ness n.
bulgy adj.
Synonyms: bulge, balloon, belly, jut, overhang, project, protrude These verbs mean to curve, spread, or extend outward past the normal or usual limit: a wallet bulging with money; expenses ballooning; a sail bellying in the wind; a pipe jutting from his mouth; overhanging eaves; projecting teeth; a head protruding from the window.
bulge /bld/ n.v. [I] bulged, bulging, bulges to swell or stick out, (syn.) to protrude: Her stomach <v.> bulged, because she was pregnant.
ld
/ n.v. [I] bulged, bulging, bulges to swell or stick out, (syn.) to protrude: Her stomach <v.> bulged, because she was pregnant. 
lj)
i·ness n.