/ Dictionary / Index P Polyhymnia: Meaning and Definition of Find definitions for: Pol•y•hym•ni•a Pronunciation: (pol"i-him'nē-u), [key] — n. Class. Myth. the Muse of sacred music and dance. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: polyhymnia (Thesaurus) polyhydroxy polyimide Related Content Daily Word Quiz: pundit Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language