Meaning of poison bean

poi'son bean'

Pronunciation: [key]
  1. Also calleda tall plant, Glottidium vesicaria, of the legume family, native to the southeastern U.S., having clusters of yellow flowers and pods containing highly poisonous seeds.
  2. a seed of this plant.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.