Trigger

Trigger may refer to:
* Trigger (firearms), a mechanism that actuates the firing of firearms
* Trigger pad, a device used in electronic percussion
* Image trigger, a device used in highspeed cameras
* Schmitt trigger, an electronic circuit
* USS "Trigger" (SS-237), a submarine
* USS "Trigger" (SS-564), a submarine
* Trauma trigger, an event causing traumatic memories or feelings to resurface.
* Bruce Trigger, archeologist
* Trigger (horse), owned by cowboy star Roy Rogers.
* Trigger (guitar), the Martin N-20 guitar played by Willie Nelson.
* Trigger (Only Fools and Horses), a fictional character from the BBC sit-com "Only Fools and Horses"
* Trigger, a fictional horse in "Ernie (the Fastest Milkman in the West)"
* Devil Trigger, a transformation ability found in the Devil May Cry series
* A Casus Belli, an event triggering a war
* TRIGGER, development of a pea starch film with trigger biodegradation properties for agricultural applications

In computing:
* Trigger function in event-driven programming
* Database trigger, procedural code that is automatically executed in response to certain events on a particular table in a database
* "Trigger" circuit, IBM's name for a flip-flop.

In physics:
* Trigger (particle physics), hardware or software based device for the (online-)selection of specific event classes from large datasets (see also: ATLAS trigger system)

In music:
* "Trigger" (EP), an EP by the Swedish band In Flames
* "Trigger", a bonus song by The Rasmus from their 2005 album "Hide from the Sun"

ee also

* Chrono Trigger, a video game about time travel
* Trigger list, a list whose items are used to initiate ("trigger") certain actions
* Triggerfish