The Collaborative International Dictionary
Legumen
Legumen \Le*gu"men\ (l[-e]*g[=u]"m[e^]n), n.; pl. L. Legumina (-m[i^]*n[.a]), E. Legumens (-m[e^]nz). [L.] Same as Legume.
Wiktionary
legumen
n. (dated form of legume English)