Pronunciation: (dis'kō),[key] —n., pl.-cos, —adj., v.
—n. 1. discotheque.
2. a style of popular music for dancing, usually recorded and with complex electronic instrumentation, in which simple, repetitive lyrics are subordinated to a heavy, pulsating, rhythmic beat.
3. any of various forms of dance, often improvisational, performed to such music.
—adj. 1. of or pertaining to a disco or disco music.
2. intended for a disco or its patrons.