Crescentia cujete

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). [1913 Webster]

2. The fruit of the calabash tree. [1913 Webster]

3. A water dipper, bottle, bascket, or other utensil, made from the dry shell of a calabash or gourd. [1913 Webster]

{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. [1913 Webster]