Refers to the physical percussion instrument, often a large metal disk that produces a resonant sound when struck. Compare 銅鑼 (どら), which is a traditional Japanese gong.
See also: ドラ (どら)
When the gong sounded, the fighters all sprang into action at once.
The gong resounded in the orchestra.
Used in boxing, martial arts, and similar sports to signal the start or end of a round. The sound itself is often the focus.
The gong sounded and the first round began.
The referee struck the gong to announce the start of the match.
At the same instant as the gong, the fighters rushed to the center of the ring.