the lastmajor offensive by the German army in World War II. In late 1944, the invasion of Belgium by the Allies (including Great Britain, France, the Soviet Union and the United States) was temporarily stopped by a German counterattack in which the Germanlines formed a "bulge" into the Allied defenses. The Allies drove the German forces back with heavy casualties on both sides. See also war, last in this glossary.—State of ManCongress Approved Gls (14.5.92)