What does "lucern" mean?

Lucern: An animal whose fur was formerly much in req [Written also lusern and luzern.] The polecat, mastern, and the richskinned lucern I know to chase. Beau. & Fl.

Additional senses

  1. 2.A leguminous plant (Medicago sativa), having bluish purple cloverlike flowers, cultivated for fodder; -- called also alfalfa. [Written also lucerne.]
  2. 3.A lamp. [Obs.] Lydgate.

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