Calliope Callionymus • calliophone · · · Info · Definitions · Synonyms · Characters · · Calliope · · Text Latin · · Script 8 · · Length Definitions · · · (noun) (Greek mythology) the Muse of epic poetry. · · Noun Definition 1 (noun) a musical instrument consisting of a series of steam whistles played from a keyboard. Synonyms: calliope, steam organ. · · Noun Definition 2 Synonyms · · · steam organ · · Synonym 1 Characters · · C latin capital letter c U+0043 a latin small letter a U+0061 e latin small letter e U+0065 i latin small letter i U+0069 l latin small letter l U+006C o latin small letter o U+006F p latin small letter p U+0070