ordeal bean
Noun: - A poisonous seed: The ordeal bean is the dark brown, highly toxic seed of the Calabar bean vine (Physostigma venenosum). It is the natural source of the alkaloid physostigmine and has been used historically in West African ordeal practices.
The term "ordeal bean" is used specifically to refer to the poisonous seed itself, often in historical, botanical, or toxicological contexts. It is a compound noun treated as a single unit.
Examples: - The accused was forced to ingest the ordeal bean as a test of guilt or innocence. - Ordeal beans contain physostigmine, a compound that affects the nervous system. - Botanists study the ordeal bean plant for its unique biochemical properties.
- Historical/Judicial Context: The term is intrinsically linked to the practice of trial by ordeal, where the bean's physiological effects (or survival after ingestion) were interpreted as a divine judgment.
- In the traditional ordeal, the outcome after swallowing the ordeal bean was believed to reveal truth.
- Calabar bean: This is the more common botanical and common name for the same seed. "Ordeal bean" emphasizes its historical use, while "Calabar bean" is its standard name.
- Physostigma venenosum: The scientific (Latin) name for the plant that produces the ordeal bean.
- Physostigmine: The primary toxic alkaloid found in the ordeal bean, also used in modern medicine.
- Calabar bean (primary synonym)
- Poison bean (descriptive, but less specific)
The word "ordeal" in "ordeal bean" directly references its use in judicial ordeals. It does not refer to a general difficult experience (ordeal) combined with a legume (bean). It is a fixed name for a specific botanical item.
- dark brown highly poisonous seed of the calabar-bean vine; source of physostigmine and used in native witchcraft