Origin of wiretap

First recorded in 1950–55; back formation from wiretapper
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

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British Dictionary definitions for wiretap


verb -taps, -tapping or -tapped

to make a connection to a telegraph or telephone wire in order to obtain information secretly
Derived Formswiretapper, nounwiretapping, noun
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012