(motion pictures) projected on a screen with much greater width than height(adjective)
WordNet. Princeton University. 2010.
Use "wide-screen" in a sentence
"In the late 50s, one of my client/mentors was a fabulously wealthy Greek businessman, Nicholas Reisini, who purchased the Cinerama wide-screen movie company, which is why I came aboard."
"Perhaps if I invested in a wide-screen monitor I could afford to reserve some space, but then again I cannot think of any widgets I actually want to use!"
"The early wide-screen technologies, like CinemaScope and Cinerama, used huge screens to immerse the audience, and even with today's smaller multiplex screens, I can recover something like that sense of being snugly wrapped in the movie's world."