/ Dictionary / Index L leading tone: Meaning and Definition of Find definitions for: lead'ing tone' Pronunciation: (lē'ding), [key] — Music. Music. the seventh degree of a diatonic scale; subtonic. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. leading strings leading wind Related Content Daily Word Quiz: lunar Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language