(bulj) v.t. & v.i. bulged, bulg·ing
To make or be protuberant; swell out. [<noun]
—noun
1. The most convex part, as of a cask.
2. A protuberant part; swelling.
3. U.S. Colloq. Advantage; especially, a slight but telling advantage.
—to get the bulge on U.S. Colloq. To gain the advantage over. [<OF boulge]
—bulg′y adjective
—bulg′i·ness noun

(bulj), Battle of the
The last major German counter-offensive of World War II, repulsed in January, 1945, during which the line of combat formed a deep bulge on the Belgian front.