(1) A non-curved screen on a TV. Contrast with curved screen. See flat screen. (2) A reference to TVs when LCD screens were replacing CRTs starting in the late 1990s and early 2000s. See flat screen.

For years, flat-screen monitors have been the go-to option ... When talking about TVs, a curved one can be too difficult for the eyes to get used to, and the benefits are less evident.