We found 2 definitions of trip wire from 1 different sources.
Noun |
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trip wire - a small military force that serves as a first line of defense; if they become engaged in hostilities it will trigger the intervention of stronger military forces | ||
military force, military group, military unit, force a unit that is part of some military service; "he sent Caesar a force of six thousand men" | ||
trip wire - a wire stretched close to the ground that activates something (a trap or camera or weapon) when tripped over |