Calabar bean

noun
Cal·​a·​bar bean | \ ˈka-lə-ˌbär- How to pronounce Calabar bean (audio) \

Definition of Calabar bean

: the dark brown highly poisonous leguminous seed of a tropical west African woody vine (Physostigma venenosum) that is used as a source of physostigmine and was used formerly as an ordeal poison in African witchcraft trials

First Known Use of Calabar bean

1853, in the meaning defined above

History and Etymology for Calabar bean

Calabar, Nigeria

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The first known use of Calabar bean was in 1853

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Cite this Entry

“Calabar bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Calabar%20bean. Accessed 22 Jan. 2021.

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More Definitions for Calabar bean

Calabar bean

noun
Cal·​a·​bar bean | \ ˈkal-ə-ˌbär- How to pronounce Calabar bean (audio) \

Medical Definition of Calabar bean

: the dark brown poisonous seed of a tropical African woody vine of the genus Physostigma (P. venenosum) that is used as a source of physostigmine

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