Search Result：trip wire
trip wire 
(TTS Sound)
(TTS Sound)Overview of noun trip_wire
The noun trip wire has 2 senses
- 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)
- trip wire -- (a wire stretched close to the ground that activates something (a trap or camera or weapon) when tripped over)