Source : Webster's Revised Unabridged Dictionary (1913)

Bilimbi \Bi*lim"bi\, Bilimbing \Bi*lim"bing\, n. [Malay.]
   The berries of two East Indian species of {Averrhoa}, of the
   {Oxalide[ae]} or Sorrel family. They are very acid, and
   highly esteemed when preserved or pickled. The juice is used
   as a remedy for skin diseases. [Written also {blimbi} and
   {blimbing}.]

Source : WordNet®

bilimbi
     n : East Indian evergreen tree bearing very acid fruit [syn: {Averrhoa
         bilimbi}]