Pronunciation: (tu-kä'tu; It.tôk-kä'tä), [key]
—n.pl. -tas, -tePronunciation: (-tē; It.-te). [key] Music.
a composition in the style of an improvisation, for the piano, organ, or other keyboard instrument, intended to exhibit the player's technique.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.