ˈkäləˌsinth noun
( -s )
Etymology: Latin colocynthis, from Greek kolokynthis
1. or colocynth apple : a Mediterranean and African herbaceous vine ( Citrullus colocynthis ) which is related to the watermelon and from which a powerful cathartic is prepared — called also bitter apple, bitter cucumber, bitter gourd
2. : the spongy fruit of the colocynth