Definition of harness

• n. - Originally, the complete dress, especially in a military sense, of a man or a horse; hence, in general, armor.
• n. - The equipment of a draught or carriage horse, for drawing a wagon, coach, chaise, etc.; gear; tackling.
• n. - The part of a loom comprising the heddles, with their means of support and motion, by which the threads of the warp are alternately raised and depressed for the passage of the shuttle.
• v. t. - To dress in armor; to equip with armor for war, as a horseman; to array.
• v. t. - Fig.: To equip or furnish for defense.
• v. t. - To make ready for draught; to equip with harness, as a horse. Also used figuratively.