American Dictionary of the English Language

H'ARNESS, noun

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, etc.

2. The furniture of a draught horse, whether for a wagon, coach, gig, chaise, etc., called in some of the American states, tackle or tackling, with which, in its primary sense, it is synonymous.

H'ARNESS, verb transitive 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. Jeremiah 46:4.

2. To defend; to equip or furnish for defense. 1 Macc.4.