noun
nock of an arrow
The notch at the end of an arrow shaft that fits onto the bowstring. A specialized archery term.
矢筈に弦をかける。
Fit the bowstring into the nock of the arrow.
noun
forked tool for hanging scrolls
A forked implement used to hang or take down hanging scrolls. Also a specialized term, likely encountered in traditional arts contexts.
掛け軸を外すときは矢筈を使う。
Use a forked tool when taking down a hanging scroll.