pitch pipe

Noun

(music) A device much like a harmonica, used to supply a sought pitch.

Japanese Meaning

ハーモニカに似た装置で、必要な音程（音高）を提供するために使用される道具。

Before the choir rehearsal, the director used a pitch pipe to give the sopranos their starting note.

合唱の練習前に、指揮者はソプラノに出だしの音を示すためにピッチパイプを使った。

Sense（1）

(music) A device much like a harmonica, used to supply a sought pitch.

pitch pipes

（ plural ）