WordNet (r) 3.0 (2006):

wild orange
    n 1: small fast-growing spiny deciduous Chinese orange tree
         bearing sweetly scented flowers and decorative but inedible
         fruit: used as a stock in grafting and for hedges [syn:
         trifoliate orange, trifoliata, wild orange, Poncirus
         trifoliata]
    2: small flowering evergreen tree of southern United States
       [syn: cherry laurel, laurel cherry, mock orange, wild
       orange, Prunus caroliniana]