winged pea n 1: tuberous-rooted twining annual vine bearing clusters of purplish flowers and pods with four jagged wings; Old World tropics [syn: {winged bean}, {goa bean}, {goa bean vine}, {Manila bean}, {Psophocarpus tetragonolobus}] 2: sprawling European annual having a 4-winged edible pod [syn: {asparagus pea}, {Lotus tetragonolobus}]