also: トリガ
noun
Refers to the physical trigger of a firearm, or metaphorically to something that initiates an event or reaction.
彼は銃のトリガーを引いた。
He pulled the trigger of the gun.
その事件が戦争のトリガーとなった。
That incident became the trigger for the war.
Standard katakana spelling; the most common form.
Variant without the long vowel mark; less common but still used.
Borrowed from English 'trigger'.