Webster’s Revised Unabridged Dictionary · 1913
Roan
Roan (rōn), a. [F. rouan; cf. Sp. roano, ruano, It. rovano, roano.] 1. Having a bay, chestnut, brown, or black color, with gray or white thickly interspersed; — said of a horse.
Give my roan a drench. Shak.
2. Made of the leather called roan; as, roan binding.
Roan antelope (Zoöl.), a very large South African antelope (Hippotragus equinus). It has long sharp horns and a stiff bright brown mane. Called also mahnya, equine antelope, and bastard gemsbok.
Roan, n. 1. The color of a roan horse; a roan color.
2. A roan horse.
3. A kind of leather used for slippers, bookbinding, etc., made from sheepskin, tanned with sumac and colored to imitate ungrained morocco. DeColange.
Roan tree. (Bot.) See Rowan tree.