Calliope /kə-līˈə-pi or kaˈli-ōp/

1. The Muse of epic poetry (Gr myth)
2. (without cap) a keyboard musical instrument similar to an organ, with a set of whistles operated by steam or compressed air

• pile on the agony
• pileorhiza
• pileorhizas
• pileous
• piler
• pilers
• piles
• pile shoe
• pile shoes
• pileum
• pile up
• pile-up
• pile-ups
• pile up the agony
• pileus
• pilework
• pileworks
• pile-worm
• pile-worms
• pilewort
• pileworts
• pilfer
• pilferage
• pilferages
• pilfered