The Collaborative International Dictionary of English v.0.48:

electronic device \electronic device\ n.
   a device depending on the principles of electronics and using
   the manipulation of electron flow for its operation.
   [PJC]

   Note: Numerous electronic devices are in daily use, among
         them the television, radio, computer, robot,
         transmitter, receiver, VCR, CD player, etc.
         [PJC]

WordNet (r) 3.0 (2006):

television
    n 1: broadcasting visual images of stationary or moving objects;
         "she is a star of screen and video"; "Television is a
         medium because it is neither rare nor well done" - Ernie
         Kovacs [syn: television, telecasting, TV, video]
    2: a telecommunication system that transmits images of objects
       (stationary or moving) between distant points [syn:
       television, television system]
    3: an electronic device that receives television signals and
       displays them on a screen; "the British call a tv set a
       telly" [syn: television receiver, television, television
       set, tv, tv set, idiot box, boob tube, telly,
       goggle box]

Moby Thesaurus II by Grady Ward, 1.0:

79 Moby Thesaurus words for "television":
   TV, advice, adviser, announcer, annunciator, authority, automation,
   avionics, box, broadcast journalism, channel, communicant,
   communicator, electron microscopy, electron optics,
   electron physics, electronic engineering, electronics,
   electrophysics, enlightener, expert witness, gossipmonger,
   grapevine, informant, information, information center,
   information medium, informer, intelligence, interviewee,
   journalism, line radio, monitor, mouthpiece, news, news agency,
   news medium, news service, newsiness, newsletter, newsmagazine,
   newsmonger, newspaper, newsworthiness, notifier, photoelectricity,
   press, press association, public relations officer, publisher,
   radar, radio, radionics, radiophotography, radiotelegraphy,
   radiotelephony, reportage, reporter, source, spokesman,
   telegraph agency, teller, telly, the fourth estate, the press,
   tidings, tipster, tout, transistor physics, tube, wire service,
   wire wave communication, wired radio, wired wireless, wireless,
   wireless telegraphy, wireless telephony, witness, word



The Free On-line Dictionary of Computing (30 December 2018):

television
TV

    A dedicated push media device for receiving
   streaming video and audio, either by terrestrial radio
   broadcast, satellite or cable.

   (1997-11-23)