Definition of widescreen television in English:

widescreen television

noun

  • 1A television having a wide screen, especially one designed for widescreen films, programmes, etc.; also more fully "widescreen television set".

  • 2Widescreen films, programmes, etc., as broadcast on television; (also) the activity or medium of broadcasting widescreen films, programmes, etc., on television.

Origin

1940s; earliest use found in Berkshire (Pittsfield, Massachusetts) Evening Eagle.