winged bean win·ged·bean uncommon noun 1. tuberous-rooted twining annual vine bearing clusters of purplish flowers and pods with four jagged wings; Old World tropics Synonymswinged beanwinged peagoa beangoa bean vineManila beanPsophocarpus tetragonolobus Related words Broader terms vine Parts Psophocarpus Part of goa bean WordNet 2.1 (Princeton University). WordNet 2.1 Copyright Princeton University. All rights reserved.
