n. The notes of a chord played individually instead of simultaneously, usually moving from lowest to highest.
the GNU version of the Collaborative International Dictionary of English
n. The production of the tones of a chord in rapid succession, as in playing the harp, and not simultaneously; a strain thus played.
The Century Dictionary and Cyclopedia
n. The sounding of the notes of an instrumental chord in rapid succession, either upward or (rarely) downward, as in harp-playing, instead of simultaneously.
n. A chord thus sounded; a broken chord. Sometimes written harpeggio.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a chord whose notes are played in rapid succession rather than simultaneously
Word Usage
"Cut one over the other, so that each animal's arpeggio is mapped to appropriate newscasters and personalities (I want the duck's music mapped the Bush, I do!) and release it online."