Pol·y·hym·ni·a 
(pŏl′ē-hĭmnē-ə) also Po·lym·ni·a (pə-lĭmnē-ə)
(pŏl′ē-hĭmnē-ə) also Po·lym·ni·a (pə-lĭmnē-ə)n.
Greek Mythology
Greek Mythology
The Muse of sacred song and oratory.
[Latin Polyhymnia, from Greek Polumnia, from poluumnos, abounding in songs, much sung of : polu-, poly + humnos, song of praise.]