Pronunciation: (dis'kō), [key]
—n., pl. -cos,
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.
1. of or pertaining to a disco or disco music.
2. intended for a disco or its patrons.
to dance disco, esp. at a discotheque.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.