Calabar bean

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Related to Calabar beans: Physostigma venenosum, Pilocarpus

Cal·a·bar bean

 (kăl′ə-bär)
n.
The poisonous seed of a tropical western African woody vine (Physostigma venenosum) in the pea family, the source of physostigmine.

[After Calabar, a town of southeast Nigeria.]

Calabar bean

(ˌkæləˈbɑː; ˈkæləˌbɑː)
n
1. (Plants) the dark brown very poisonous seed of a leguminous woody climbing plant, Physostigma venenosum, of tropical Africa, used as a source of the drug physostigmine
2. (Pharmacology) the dark brown very poisonous seed of a leguminous woody climbing plant, Physostigma venenosum, of tropical Africa, used as a source of the drug physostigmine

Cal′abar bean`


n.
the poisonous seed of an African climbing plant, Physostigma venenosum, of the legume family, the active principle of which is physostigmine.
[1875–80; after Calabar]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.calabar bean - dark brown highly poisonous seed of the calabar-bean vine; source of physostigmine and used in native witchcraft
calabar-bean vine, Physostigma venenosum - tropical African woody vine yielding calabar beans
bean - any of various seeds or fruits that are beans or resemble beans
References in periodicals archive ?
On the cusp of containerisation, he supervised cargoes, including palm kernels, cocoa and groundnut products, as well as more exotic freight ranging from calabar beans, cottonseed and pigs' snouts to Land Rovers, Crocodile Brand machetes, Aunt Jemima's Cabin Bread and missionaries' generators.