Source : Webster's Revised Unabridged Dictionary (1913)

Cassareep \Cas"sa*reep\, n.
   A condiment made from the sap of the bitter cassava ({Manihot
   utilissima}) deprived of its poisonous qualities,
   concentrated by boiling, and flavored with aromatics. See
   {Pepper pot}.

Source : WordNet®

cassareep
     n : flavoring made by boiling down the juice of the bitter
         cassava; used in West Indian cooking