AskDefine | Define trigger

Dictionary Definition



1 lever that activates the firing mechanism of a gun [syn: gun trigger]
2 a device that activates or releases or causes something to happen
3 an act that sets in motion some course of events [syn: induction, initiation]


1 put in motion or move to act; "trigger a reaction"; "actuate the circuits" [syn: trip, actuate, activate, set off, spark off, spark, trigger off, touch off]
2 release or pull the trigger on; "Trigger a gun"

User Contributed Dictionary



Originally tricker, from etyl nl trekker, from trekken.



  1. A finger-operated lever used to fire a gun.
  2. A similar device used to activate any mechanism.
  3. An event that initiates others, or incites a response.
  4. A pulse in an electronic circuit that initiates some component.
  5. An SQL procedure that may be initiated when a record is inserted, updated or deleted; typically used to maintain referential integrity.



  1. to fire a weapon
  2. to initiate something

Extensive Definition

Trigger may refer to:
In computing:
In physics:
In music:

See also

trigger in Czech: Trigger
trigger in German: Trigger
trigger in French: Trigger
trigger in Latvian: Trigeris (nozīmju atdalīšana)
trigger in Dutch: Trigger
trigger in Russian: Триггер
trigger in Slovenian: Sprožilec
trigger in Chinese: 扳機
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