Gulf War n 1: a war fought between Iraq and a coalition led by the United States that freed Kuwait from Iraqi invaders; 1990-1991 [syn: {Persian Gulf War}, {Gulf War}] 2: a dispute over control of the waterway between Iraq and Iran broke out into open fighting in 1980 and continued until 1988, when they accepted a UN cease-fire resolution [syn: {Iran-Iraq War}, {Gulf War}]