/wuyeur"tap'/ , n. , v. , wiretapped, wiretapping , adj.
n.
1. an act or instance of tapping telephone or telegraph wires for evidence or other information.
v.t.
2. to obtain (information, evidence, etc.) by tapping telephone or telegraph wires: to wiretap conversations.
3. to listen in on by means of a wiretap: to wiretap a telephone; to wiretap a conversation.
v.i.
4. to tap telephone or telegraph wires for evidence, information, etc.
adj.
5. pertaining to or obtained by wiretap.
[ 1950-55; back formation from WIRETAPPER ]