dimocarpus longan

from WordNet (r) 3.0 (2006)

Dimocarpus longan
    n 1: tree of southeastern Asia to Australia grown primarily for
         its sweet edible fruit resembling litchi nuts; sometimes
         placed in genera Euphorbia or Nephelium [syn: {longan},
         {lungen}, {longanberry}, {Dimocarpus longan}, {Euphorbia
         litchi}, {Nephelium longana}]

from The Collaborative International Dictionary of English v.0.48

longanberry \longanberry\ n.
   A tree ({Dimocarpus longan}) of Southeastern Asia to
   Australia grown primarily for its sweet translucent-fleshed
   edible fruit (the {longan}) resembling litchi nuts; -- it is
   sometimes placed in genera {Euphoria} or {Nephelium}.

   Syn: longan, lungen, {Dimocarpus longan}, {Euphoria litchi},
        {Nephelium longana}.
        [WordNet 1.5]

   2. Asian fruit similar to litchi.

   Syn: dragon's eye.
        [WordNet 1.5]