English version

homing device

From Longman Dictionary of Contemporary English
Related topics: Weapons
homing deviceˈhoming deˌvice noun [countable usually singular]  PMWa special part of a weapon that helps it to find its target
Examples from the Corpus
homing deviceHe walked around the corner to his frontdoor, key pointed like a homing device.In there they all carried a small radio homing device, to find each other blindly if necessary.
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