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.