Definition of winged bean
: an Asian twining legume (Psophocarpus tetragonolobus) cultivated in warm regions for its edible high-protein 4-winged pods; also : its pod
First Known Use of winged bean
Learn More about winged bean
Britannica.com: Encyclopedia article about winged bean
Seen and Heard
What made you want to look up winged bean? Please tell us where you read or heard it (including the quote, if possible).