Areca catechu

from WordNet (r) 3.0 (2006)

Areca catechu
    n 1: southeastern Asian palm bearing betel nuts (scarlet or
         orange single-seeded fruit with a fibrous husk) [syn:
         {betel palm}, {Areca catechu}]

from The Collaborative International Dictionary of English v.0.48

Areca \A*re"ca\, n. [Canarese adiki: cf. Pg. & Sp. areca.]
   (Bot.)
   A genus of palms, one species of which ({Areca catechu})
   produces the areca nut, or betel nut, which is chewed in
   India and Southeast Asia with the leaf of the {Piper Betle}
   and lime.
   [1913 Webster +PJC]