Meaning of TRIGGER in English

TRIGGER

(~s, ~ing, ~ed)

Frequency: The word is one of the 3000 most common words in English.

1.

The ~ of a gun is a small lever which you pull to fire it.

A man pointed a gun at them and pulled the ~.

N-COUNT

2.

The ~ of a bomb is the device which causes it to explode.

...~ devices for nuclear weapons.

N-COUNT: oft N n

3.

To ~ a bomb or system means to cause it to work.

The thieves must have deliberately ~ed the alarm and hidden inside the house...

= activate

VERB: V n

4.

If something ~s an event or situation, it causes it to begin to happen or exist.

...the incident which ~ed the outbreak of the First World War...

VERB: V n

Trigger off means the same as ~ .

It is still not clear what events ~ed off the demonstrations.

PHRASAL VERB: V P n (not pron), also V n P

5.

If something acts as a ~ for another thing such as an illness, event, or situation, the first thing causes the second thing to begin to happen or exist.

Stress may act as a ~ for these illnesses.

N-COUNT: oft N for n

Collins COBUILD.      Толковый словарь английского языка для изучающих язык Коллинз COBUILD (международная база данных языков Бирмингемского университета) .