gun trigger vs trigger

gun trigger and trigger both are nouns.

Word	Noun	Adjective	Verb	Adverb
gun trigger	Yes	No	No	No
trigger	Yes	No	Yes	No

As nouns, gun trigger and trigger are synonyms defined as:

gun trigger and trigger: lever that activates the firing mechanism of a gun

gun trigger (noun)	trigger (noun)
lever that activates the firing mechanism of a gun	an act that sets in motion some course of events
	lever that activates the firing mechanism of a gun
	a device that activates or releases or causes something to happen

gun trigger (verb)	trigger (verb)
	release or pull the trigger on
	put in motion or move to act