Meaning of TRIGGER in English

TRIGGER

■ noun

1》 a device that releases a spring or catch and so sets off a mechanism, especially in order to fire a gun.

2》 an event that causes something to happen.

■ verb

1》 cause (a device) to function.

2》 (also ~ something off ) cause to happen or exist.

Derivatives

~ed adjective

Origin

C17: from dialect tricker , from Du. trekker , from trekken 'to pull'.

Concise Oxford English vocab.      Сжатый оксфордский словарь английского языка.