Webster's Revised Unabridged Dictionary · 1913

Lucern

Lucern , noun

[Etymology uncertain.]

1.
A sort of hunting dog; -- perhaps from Lucerne, in Switzerland.
My lucerns, too, or dogs inured to hunt Beasts of most rapine. — Chapman
2.
An animal whose fur was formerly much in request (by some supposed to be the lynx).
The polecat, mastern, and the richskinned lucern I know to chase. — Beau. & Fl

Lucern , noun

[French luzerne.]

(Botany) A leguminous plant (Medicago sativa), having bluish purple cloverlike flowers, cultivated for fodder; -- called also alfalfa.

Lucern , noun

[Latin lucerna.]

A lamp. [Obsolete] — Lydgate