Source : Webster's Revised Unabridged Dictionary (1913)

Lucern \Lu"cern\, n. [Etymology uncertain.] [Obs.]
   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). [Written also {lusern} and
      {luzern}.]

            The polecat, mastern, and the richskinned lucern I
            know to chase.                        --Beau. & Fl.

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}.]

Lucern \Lu"cern\, n. [L. lucerna.]
   A lamp. [Obs.] --Lydgate.