Passacaglia \Pas`sa*ca*glia\, Passacaglio \Pas`sa*ca*glio\, n.
[Sp. pasacalle a certain tune on the guitar, prop., a tune
played in passing through the streets.] (Mus.)
An old Italian or Spanish dance tune, in slow three-four
measure, with divisions on a ground bass, resembling a
chaconne.
[1913 Webster] Passade