1. 
   Castalian
   Cas·ta'li·an adjective [ Latin Castalius ] Of or pertaining to Castalia, a mythical fountain of inspiration on Mt. Parnassus sacred to the Muses. Milton.
   Found op http://www.encyclo.co.uk/webster/C/32
   
   
2. 
   Castalian
   • (a.) Of or pertaining to Castalia, a mythical fountain of inspiration on Mt. Parnassus sacred to the Muses.
   Found op http://thinkexist.com/dictionary/meaning/castalian/
   
   

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