noun Etymology: Calabar, Nigeria Date: 1864 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
CALABAR BEAN
Meaning of CALABAR BEAN in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012