/ Dictionary / Index D double harness: Meaning and Definition of Find definitions for: dou'ble har'ness Pronunciation: [key] harness for a pair of horses. married. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. double glazing doubleheader Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language