The noun television has 3 senses (first 3 from tagged texts)
1. (12) television, telecasting, TV, video -- (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)
2. (2) television receiver, television, television set, tv, tv set, idiot box, boob tube, telly, goggle box -- (an electronic device that receives television signals and displays them on a screen; "the British call a tv set a telly")
3. (2) television, television system -- (a telecommunication system that transmits images of objects (stationary or moving) between distant points)