» calabar bean
Noun (1 meaning)
1. dark brown highly poisonous seed of the calabar-bean vine; source of physostigmine and used in native witchcraft.
calabar bean is a type of:
- bean (noun) - any of various seeds or fruits that are beans or resemble beans
calabar bean is a part of:
- calabar-bean vine, Physostigma venenosum (noun) - tropical African woody vine yielding calabar beans