Buff, a. 1. Made of buff leather. Goldsmith.
2. Of the color of buff.
Buff coat, a close, military outer garment, with short sleeves, and laced tightly over the chest, made of buffalo skin, or other thick and elastic material, worn by soldiers in the 17th century as a defensive covering. — Buff jerkin, originally, a leather waistcoat; afterward, one of cloth of a buff color. Nares. — Buff stick(Mech.), a strip of wood covered with buff leather, used in polishing.