Meaning of winged bean

winged' bean'

Pronunciation: [key]
  1. a tropical Asian vine, Psophocarpus tetragonolobus, of the legume family, of which the pods, seeds, leaves, and flowers are edible and nutritious.
  2. the pod of this plant, having four flangelike longitudinal extensions.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.