I. ˈ ̷ ̷| ̷ ̷ verb
Etymology: back-formation from wiretapper
intransitive verb
: to tap a telephone or telegraph wire to get messages, information, or evidence
transitive verb
: to obtain (information) by tapping a wire
II. noun
1. : the act or an instance of wiretapping
transcripts of wiretaps made by the police department — New York Times
2. : a device for wiretapping
had used a wiretap in this detection — Current Biography
III. adjective
: obtained by or involving wiretapping
wiretap evidence
a wiretap scandal