Entry 1 sense Webster, 1913 Legumen /(lē̇*gū"mĕn)/ · Le·gu·men · IPA /lɪˈɡjuːmən/ 01 n. Same as Legume. pl. Legumina, Legumens ((-mĭ*nȧ)) 1. Same as Legume. See: Legume