a form of entertainment in which patrons, as in a bar, take turns singing popular songs into a microphone accompanied by prerecorded music played on a special device, with the lyrics displayed on a screen
See karaoke in American Heritage Dictionary 4
(kârˌē-ōˈkē)
noun
A music entertainment system providing prerecorded accompaniment to popular songs that a performer sings live, usually by following the words on a video screen.