- an African and Asian perennial vine (Citrullus colocynthis) of the gourd family, whose small, dried fruits are used in making a strong cathartic
- this fruit, or the cathartic prepared from it; bitter apple
Origin of colocynthClassical Latin colocynthis ; from Classical Greek kolokynthis
- A tendril-bearing Old World vine (Citrullus colocynthis) bearing yellowish, green-mottled fruits the size of small lemons.
- The fruit of this plant, whose dried, bitter, spongy pulp is a very strong laxative. In both senses also called bitter apple.
Origin of colocynthLatin colocynthis, from Greek kolokunthis, from kolokunth&emacron;, round gourd.