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English definition of “wiretap”

wiretap

verb [I/T]  /ˈwɑɪərˌtæp/ (-pp-) us  
to secretly listen to people by connecting a listening device to their telephone, or to attach a listening device to a telephone for this purpose: [T] The court gave permission to have his phone wiretapped to gather evidence.
wiretap
noun [C]  /ˈwɑɪər·tæp/ us  
The government put a wiretap on his phone.
(Definition of wiretap from the Cambridge Academic Content Dictionary © Cambridge University Press)
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