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Dictionary definition for: Trigger

1. (n) lever that activates the firing mechanism of a gun

2. (v) put in motion or move to act; "trigger a reaction" "actuate the circuits"

3. (n) a device that activates or releases or causes something to happen

4. (v) release or pull the trigger on; "Trigger a gun"

5. (n) an act that sets in motion some course of events

WordNet 2.1 Copyright Princeton University. All rights reserved.