trigger finger

Noun

a finger used in pulling the trigger of a firearm / the forefinger

Japanese Meaning

銃の引き金を引くときに用いられる指 / 人差し指

He rested his trigger finger lightly on the stock as he waited for the signal.

合図を待ちながら、彼は引き金を引く指を軽く銃床に置いた。

Sense（1）

a finger used in pulling the trigger of a firearm

Sense（2）

the forefinger

Sense（3）

trigger fingers

（ plural ）