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wiretap

 
/ˈwɑɪərˌtæp/ v [I/T] (-pp-)

Definition

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
 
/ˈwɑɪər·tæp/ n [C]
The government put a wiretap on his phone.
(Definition of wiretap v from the Cambridge Academic Content Dictionary © Cambridge University Press)

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