Source : Webster's Revised Unabridged Dictionary (1913)

Cubeb \Cu"beb\ (k?"b?b), n. [F. cub?be (cf. It. cubebe, Pr.,
   Sp., Pg., & NL. cubeba), fr. Ar. kab?bat.]
   The small, spicy berry of a species of pepper ({Piper
   Cubeba}; in med., {Cubeba officinalis}), native in Java and
   Borneo, but now cultivated in various tropical countries. The
   dried unripe fruit is much used in medicine as a stimulant
   and purgative.

Source : WordNet®

Piper cubeba
     n : tropical southeast Asian shrubby vine bearing spicy
         berrylike fruits [syn: {cubeb}, {cubeb vine}, {Java
         pepper}]