n. & v.
n. 1 a metal disc with a turned rim, giving a resonant note when struck. 2 a saucer-shaped bell. 3 Brit. sl. a medal; a decoration.
v.tr. 1 summon with a gong. 2 (of traffic police) sound a gong etc. to direct (a motorist) to stop.
[ Malay gong, gung of imit. orig. ]