American Dictionary

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Definition tripwire in American English

tripwire noun

[countable] noun
/ˈtrɪpˌwaɪr/
1

a piece of wire that is attached to something such as a gun or a camera and operates it when someone touches or pulls the wire

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2

a hidden piece of wire that is stretched just above the ground so that someone will fall over it

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Definition tripwire in American English