roan /ˈron ||ˈroən/
  (a.)菊花青色的菊花青色的馬,柔軟的羊皮
  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.
  Roan tree. Bot. See Rowan tree.
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  Roan a.
  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 Zool., 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
       adj : (used of especially horses) having a brownish coat thickly
             sprinkled with white or gray; "a roan horse"
       n 1: a soft sheepskin leather that is colored and finished to
            resemble morocco; used in bookbinding
       2: horse having a roan coat