ordeal bean

Definitions of ordeal bean

n dark brown highly poisonous seed of the calabar-bean vine; source of physostigmine and used in native witchcraft

calabar bean
Type of:
any of various seeds or fruits that are beans or resemble beans

Sign up, it's free!

Whether you're a student, an educator, or a lifelong learner, Vocabulary.com can put you on the path to systematic vocabulary improvement.