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hair trigger definition

hair trigger

a trigger so delicately adjusted that a very slight pressure on it discharges the firearm
hair-trigger definition

hair·-trigger (her′trig′ər)

adjective

set in motion or operation by a very slight impulse

Etymology: see hair trigger

Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

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