colocynth

Webster's Dictionary (1913)

Origin: L. colocynthis, Gr. …. Cf. Coloquintida.

Medicine The light spongy pulp of the fruit of the bitter cucumber (Citrullus colocynthis, or Cucumis colocynthis), an Asiatic plant allied to the watermelon; coloquintida. It comes in white balls, is intensely bitter, and a powerful cathartic. Called also bitter apple, bitter cucumber, bitter gourd.

Webster’s Revised Unabridged Dictionary (1913), from GCIDE 0.54