pas·sa·ca·glia 
(pä′sə-kälyə, păs′ə-kălyə)
(pä′sə-kälyə, păs′ə-kălyə)n.
1. A Spanish dance in 3/4 time.
2. The music for this dance.
[Italian, From Spanish pasacalle : pasar, to pass, step; see PASE + calle, street (from Latin callis, call-, path).]