Source : Webster's Revised Unabridged Dictionary (1913)

Calabash \Cal"a*bash\ (k[a^]l"[.a]*b[a^]sh), n. [Sp. calabaza,
   or Pg. calaba[,c]a, caba[,c]a (cf. F. Calebasse), lit., a dry
   gourd, fr. Ar. qar', fem., a kind of gourd + aibas dry.]
   1. The common gourd (plant or fruit).

   2. The fruit of the calabash tree.

   3. A water dipper, bottle, bascket, or other utensil, made
      from the dry shell of a calabash or gourd.

   {Calabash tree}. (Bot.), a tree of tropical America
      ({Crescentia cujete}), producing a large gourdlike fruit,
      containing a purgative pulp. Its hard shell, after the
      removal of the pulp, is used for cups, bottles, etc. The
      {African calabash tree} is the baobab.

Source : WordNet®

calabash tree
     n : tropical American evergreen that produces large round gourds
         [syn: {calabash}, {Crescentia cujete}]