wrest block

(music) A wooden block in the pianoforte, often made of several pieces, into which the wrest-pins are driven.

Japanese Meaning

鍵盤楽器（主にピアノ）に見られる、複数の部品からなる木製のブロックで、ウレスピンが打ち込まれる部分。

The piano technician examined the wrest block for cracks before restringing the instrument.

ピアノ技術者は、チューニングピンを差し込む木製のブロックにひび割れがないかを調べてから弦を張り直した。

Sense（1）

(music) A wooden block in the pianoforte, often made of several pieces, into which the wrest-pins are driven.

wrest blocks

（ plural ）