trigger
(firearms) A finger-operated lever used to fire a gun.
A similar device used to activate any mechanism.
An event that initiates others, or incites a response.
A concept or image that upsets somebody by sparking a negative emotional response.
(psychology) An event, experience or other stimulus that initiates a traumatic memory or a strong reaction in a person.
(music) An electronic transducer allowing a drum, cymbal, etc. to control an electronic drum unit or similar device.
(music) A device that manually lengthens (or sometimes shortens) the slide or tubing of a brass instrument, allowing the pitch range to be altered while playing.
(electronics) A pulse in an electronic circuit that initiates some component.
(databases) An SQL procedure that may be initiated when a record is inserted, updated or deleted; typically used to maintain referential integrity.
(online gaming) A text string that, when received by a player, will cause the player to execute a certain command.
(archaic) A catch to hold the wheel of a carriage on a declivity.
To cause, to precipitate, to bring (something) about in response or as a result.
(figurative) To spark a response, especially a negative emotional response, in (a person).
(electronics) To activate; to become active.
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