: an Asian twining legume (Psophocarpus tetragonolobus) cultivated in warm regions for its edible high-protein 4-winged pods
also : its pod

Word History

First Known Use

1910, in the meaning defined above

Time Traveler
The first known use of winged bean was in 1910

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Cite this Entry

“Winged bean.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/winged%20bean. Accessed 1 Aug. 2026.

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