Dictionary

trip wire

trip wire

noun

Definition of TRIP WIRE

1
:  a low-placed concealed wire used especially in warfare to trip an enemy or trespasser and usually to trigger an alarm or explosive device when moved
2
:  something (as a small military force) intended to function like a trip wire (as to set a larger military force in motion)

First Known Use of TRIP WIRE

1915

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February 27, 2015
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