reed (of a musical instrument)
Refers specifically to the vibrating reed in instruments like clarinets, oboes, or the Japanese shō. Technical term; in everyday speech, the loanword リード is more common.
See also: リード
The reed of the shō produces a beautiful sound when you blow into it.
クラリネットの簧が割れてしまったので、新しいのを買わなくては。
The reed of my clarinet cracked, so I have to buy a new one.