Definition of roan

• a. - Having a bay, chestnut, brown, or black color, with gray or white thickly interspersed; -- said of a horse.
• a. - Made of the leather called roan; as, roan binding.
• n. - The color of a roan horse; a roan color.
• n. - A roan horse.
• n. - A kind of leather used for slippers, bookbinding, etc., made from sheepskin, tanned with sumac and colored to imitate ungrained morocco.