n.1. An act of secretly listening to or recording a person's telephone or internet conversations, often as part of a police investigation.
2. A device that is connected to a communications circuit in a concealed fashion in order to enable a wiretap.
tr.v. wire·tapped,
wire·tap·ping,
wire·taps 1. To listen to or record in secret (a conversation carried on over a telephone line or other communications channel), often as part of a police investigation.
2. To wiretap the conversations on (a telephone line or other communications channel), often as part of a police investigation.
3. To wiretap the conversations of (a person) or the communications devices in (a place).
4. To connect a concealed listening or recording device to (a telephone line).