(1):
(n.) An instrument, first used in the East, made of an alloy of copper and tin, shaped like a disk with upturned rim, and producing, when struck, a harsh and resounding noise.
(2):
(n.) A flat saucerlike bell, rung by striking it with a small hammer which is connected with it by various mechanical devices; a stationary bell, used to sound calls or alarms; - called also gong bell.
(3):
(n.) A privy or jakes.