DICT.TW Dictionary Taiwan

 Seville orange
      n 1: any of various common orange trees yielding sour or bitter
           fruit; used as grafting stock [syn: sour orange, bitter
           orange, bitter orange tree, bigarade, marmalade
           orange, Citrus aurantium]
      2: highly acidic orange used especially in marmalade [syn: bitter
         orange, sour orange]