trigger
Pronunciation:
/ˈtɹɪɡə//ˈtɹɪɡɚ/noun
Definitions
A finger-operated lever used to fire a gun.
Example: Just pull the trigger.
A similar device used to activate any mechanism.
An event that initiates others, or incites a response.
Example: Sleeping in an unfamiliar room can be a trigger for sleepwalking.
A concept or image that upsets somebody.
Example: I can't watch that violent film. Blood is one of my triggers.
verb
Definitions
To fire a weapon.
To initiate something.
Example: The controversial article triggered a deluge of angry letters from readers.
To spark a response, especially a negative emotional response, in (someone).
Example: This story contains a rape scene and may be triggering for rape victims.
To activate; to become active.