lucerne(n = noun.plant) alfalfa, medicago sativa - important European leguminous forage plant with trifoliate leaves and blue-violet flowers grown widely as a pasture and hay crop;
is a kind of medic, medick, trefoil
has parts: alfalfa
See Lucern, the plant. [1913 Webster]
lucerne, n. (also lucern) Brit. = ALFALFA.
Etymology:
F luzerne f. mod. Prov. luzerno glow-worm, with ref. to its shiny seeds