/ Dictionary / Index A auxiliary tone: Meaning and Definition of Find definitions for: auxil'iary tone" Pronunciation: [key] — Music. Music. a melodic ornamental tone following a principal tone by a step above or below and returning to the principal tone; embellishment. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. auxiliary storage auxiliary verb Related Content Daily Word Quiz: tactful Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language