The Collaborative International Dictionary of English v.0.48:

Cucurbit \Cu*cur"bit\ Cucurbite
\Cu*cur"bite\(k[-u]*k[^u]r"b[i^]t), n. [L. cucurbita a gourd:
   cf. F. cucurbite. See Gourd.] (Chem.)
   A vessel or flask for distillation, used with, or forming
   part of, an alembic; a matrass; -- originally in the shape of
   a gourd, with a wide mouth. See Alembic.
   [1913 Webster]

WordNet (r) 3.0 (2006):

cucurbit
    n 1: any plant of the family Cucurbitaceae