noun
(music) The notes of a chord played individually instead of simultaneously, usually moving from lowest to highest.
verb
(transitive) To play (a chord) as an arpeggio; to play (a piece of music) with arpeggios.
(intransitive) To produce arpeggios; to produce sounds resembling arpeggios.
(ambitransitive, figurative) To move (the hand or fingers) against a surface as if playing arpeggios on a keyboard; to touch different points in succession along a surface.