'wiretap' definitions:

Definition of 'wiretap'

(from WordNet)
noun
The act of tapping a telephone or telegraph line to get information [syn: wiretap, tap]
verb
Tap a telephone or telegraph wire to get information; "The FBI was tapping the phone line of the suspected spy"; "Is this hotel room bugged?" [syn: wiretap, tap, intercept, bug]

Definition of 'wiretap'

From: GCIDE
  • wiretap \wiretap\ n. the act or event of tapping a telephone or telegraph line to get information surreptitiously. [WordNet 1.5]

Definition of 'wiretap'

From: GCIDE
  • wiretap \wiretap\ v. t. to tap[5] (a telephone or telegraph line) to get information surreptitiously; also, to obtain or record (information) by use of a wiretap. [WordNet 1.5]

Synonyms of 'wiretap'

From: Moby Thesaurus