Tripwire (novel)
WiktionaryText

Noun


  1. A cord or wire arranged so that when snagged or pulled by an intruder, it will trigger a detector or trap or a device, such as a land mine.
    • Seeing the tripwire of a nearby bouncing Betty gave us cold chills, and we moved all the more slowly through the woods.
  2. Any means of detecting intruders.
 
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