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hair trigger

noun

Simple Definition of hair trigger

  • : a trigger on a gun that needs very little pressure to cause the gun to shoot

Source: Merriam-Webster's Learner's Dictionary

Full Definition of hair trigger

  1. :  a gun trigger so adjusted as to permit the firearm to be fired by a very slight pressure

1802

First Known Use of hair trigger

1802


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different from the usual or normal

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