calliope (n.)

"harsh-sounding steam-whistle keyboard organ," 1858, named incongruously for Calliope, ninth and chief muse, presiding over eloquence and epic poetry, Latinized from Greek Kalliope, literally "beauty of voice," from kalli-, combining form of kallos "beauty" (see Callisto) + opos (genitive of *ops) "voice," from PIE root *wekw- "to speak."

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