ˈhoming deˌvice noun [countableC usually singular]
PMWa special part of a weapon that helps it to find its target 〔武器上的〕自导引装置,自动寻的装置
Examples from the Corpus
homing device• He 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.