H`ARNESS, n.1. Armor; the whole accouterments or equipments of a knight or horseman; originally perhaps defensive armor, but in a more modern and enlarged sense, the furniture of a military man,or offensive, as a casque, cuirass,helmet, girdle, sword,buckler, &c.2. The furniture of a draught horse, whether for a wagon, coach, gig, chaise, &c., called in some of the American states, tackle or tackling, with which, in its primary sense, it is synonymous.
H`ARNESS, v.t. To dress in armor; to equip with armor for war, as a horseman. Harnessed in rugged steel.1. To put on the furniture of a horse for draught. Harness the horses. Jer.46.2. To defend; to equip or furnish for defense. 1 Macc.4.