What is another word for trip line?
Pronunciation: [tɹˈɪp lˈa͡ɪn] (IPA) 
A trip line is basically a line or wire that is set up to trigger a mechanism or alarm when someone trips over it accidentally. The term "trip line" is often used in the military or security industry, but there are several other synonyms that can be used to refer to this kind of obstacle. Some of the other words and phrases that can be used as alternatives to "trip line" include "security line," "alarm wire," "entanglement wire," "trip wire," "warning line," and "obstacle wire." Whatever term you use, the idea is to create a barrier that will alert you to any unintended intrusions or movements in a particular area.
