# Calabar bean

> English word · Noun

## Definitions
1. A seed of a tropical leguminous plant of species Physostigma venenosum of tropical Africa, poisonous to humans.

## Etymology
From its ancient use in trial by ordeal in the Calabar region of Nigeria.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/calabar-bean