calabar : Idioms & Phrases
Calabar bean
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noun dark brown highly poisonous seed of the calabar-bean vine; source of physostigmine and used in native witchcraft
ordeal bean.
WordNet
- The of a climbing legumious plant (
Physostigma venenosum ), a native of tropical Africa. It is highly poisonous. It is used to produce contraction of the pupil of the eye; also in tetanus, neuralgia, and rheumatic diseases; called alsoordeal bean , being used by the negroes in trials for witchcraft.
Webster 1913
calabar-bean vine
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noun tropical African woody vine yielding calabar beans
Physostigma venenosum.