Etymology
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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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Definitions of calliope
1
calliope (n.)
a musical instrument consisting of a series of steam whistles played from a keyboard;
Synonyms: steam organ
2
Calliope (n.)
(Greek mythology) the Muse of epic poetry;
From wordnet.princeton.edu