a large bronze disk, of Asian origin, having an upturned rim, that produces a vibrant, hollow tone when struck, usually with a stick or hammer that has a padded head.

a shallow bell sounded by a hammer operated electrically or mechanically

The fire-alarm system will automatically sound the gong.

(in a clock or watch) a rod or wire, either straight or bent into a spiral, on which the time is struck.

British Slang . a medal or military decoration.

to sound as a gong does; ring, chime, or reverberate.

noun

cymbal , bell , alarm , signal , carillon , chime