/ Dictionary / Index M music of the spheres: Meaning and Definition of Find definitions for: mu'sic of the spheres' Pronunciation: [key] a music, imperceptible to human ears, formerly supposed to be produced by the movements of the spheres or heavenly bodies. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. musicianship musicology Related Content Daily Word Quiz: confectionery Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language