Trigger

Trigger may refer to:

Trigger (mechanism), to actuate firearms, crossbows etc
Triggering the precipitation of a dissolved material in a supersaturated solution
- Triggering an allergic reaction by exposure to an allergen
- Trigger, a thought, experience or an event that strongly reminds a person of a traumatic experience causing a post-traumatic stress disorder symptom
Trigger, a condition which fires an event in event-driven programming
Database trigger
Schmitt trigger, an electronic circuit
Trigger pad, a device used in electronic percussion
Trigger, a component of an oscilloscope
Trigger (particle physics)
Trigger (horse), a horse ridden by Roy Rogers
Trigger, a fictional horse in the song Ernie (The Fastest Milkman In The West)
Trigger (Only Fools and Horses), a character from the sitcom Only Fools and Horses, named after Roy Rogers' horse
USS Trigger (SS-237), a submarine
USS Trigger (SS-564), a submarine
Trigger (EP), an EP by In Flames
Bruce Trigger, archeologist
Trigger (comic), a comic by Vertigo Comics
Chrono Trigger, a 1995 game by Square for the SNES, later released on the Sony Playstation