a spring on Mount Parnassus: in ancient Greece sacred to Apollo and the Muses and believed to be a source of inspiration
Derived forms
Castalian (Casˈtalian)
adjective
Castalia in American English
(kæsˈteɪliə)
spring on Mount Parnassus, Greece: in ancient times it was sacred to the Muses andwas considered a source of poetic inspiration for those who bathed in it