The Collaborative International Dictionary
Euphoria litchi
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.
2. Asian fruit similar to litchi.
Syn: dragon's eye.