Pronunciation: (chä'chä"), [key]
—n., pl. -chas,
—v., -chaed, -cha•ing.
a fast ballroom dance of Latin American origin, similar to the mambo, that follows a rhythmic pattern based upon a quick three-step movement.
to dance the cha-cha. Also,cha'-cha"-cha'.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.