what is a mung bean
Full Definition of MUNG BEAN. : an erect bushy annual bean (Vigna radiata syn. Phaseolus aureus) that is widely cultivated in warm regions for its edible usually green or yellow seeds, for forage, and as the chief source of bean sprouts; also: its seed. See mung bean defined for English-language learners.ADVERTISEMENT. an erect bushy annual bean (Vigna radiata syn. Phaseolus aureus) that is widely cultivated in warm regions for its edible usually green or yellow seeds, for forage, and as the chief source of bean sprouts; also: its seed. See mung bean defined for English-language learners.