wiretap

n.	1.	the act or event of tapping a telephone or telegraph line to get information surreptitiously.
v. t.	1.	to tap{5} (a telephone or telegraph line) to get information surreptitiously; also, to obtain or record (information) by use of a wiretap.

Noun	1.	wiretap - the act of tapping a telephone or telegraph line to get information Synonyms: tap
Verb	1.	wiretap - 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?" Synonyms: bug, intercept, tap

attend, attend to, auscultate, be all ears, bend an ear, bug, bugging, cloak-and-dagger work, cock the ears, counterespionage, counterintelligence, eavesdrop, electronic surveillance, espial, espionage, examine by ear, following, give attention, give audience to, give ear, hark, hear, hear out, hearken, heed, intelligence, intelligence work, intercept, lend an ear, listen, listen at, listen in, listen to, military intelligence, observation, secret police, secret service, shadowing, sit in on, spying, stakeout, surveillance, tailing, tap, trailing, wiretapping