/ Dictionary / Index M minor triad: Meaning and Definition of Find definitions for: mi'nor tri'ad Pronunciation: [key] a triad consisting in root position of a root tone with a minor third and a perfect fifth above. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. minor tranquilizer Minos Related Content Daily Word Quiz: agitated Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language