tam-tam; gong
A large, flat, unpitched gong of Chinese origin, often used in orchestral music. Not to be confused with the tom-tom drum.
The tam-tam resounded in the orchestra.
tom-tom; tom-tom drum
A cylindrical drum, often used in drum kits. Cross-referenced with トムトム, which is the more common spelling for this sense.
See also: トムトム
I hit the tom-tom on the drum kit.