Lucern \Lu"cern\, n. [F. luzerne.] (Bot.) A leguminous plant (Medicago sativa), having bluish purple cloverlike flowers, cultivated for fodder; -- called also alfalfa. [Written also lucerne.]
Source: Webster's Revised Unabridged Dictionary (1913)
Lucerne \Lu"cerne\, n. (Bot.) See Lucern, the plant.