tripwire Hear it!

tripwire definition

☆ trip·wire (trip′wīr′)

noun

a hidden wire that will set off a trap, snare, etc. when tripped on

Webster's New World College Dictionary Copyright © 2005 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.

Comments
Improve this definition.
Do you have more to add? Share your linguistic knowledge or observation.
/Register to save your comments.