Pronunciation: (wīur'tap"), [key]
—n., v., -tapped, -tap•ping,
an act or instance of tapping telephone or telegraph wires for evidence or other information.
1. to obtain (information, evidence, etc.) by tapping telephone or telegraph wires: to wiretap conversations.
2. to listen in on by means of a wiretap: to wiretap a telephone; to wiretap a conversation.
to tap telephone or telegraph wires for evidence, information, etc.
pertaining to or obtained by wiretap.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.