The Collaborative International Dictionary of English v.0.48:

Muscardin \Mus"car*din\, n. [F., fr. muscadin a musk-scented
   lozenge, fr. muscade nutmeg, fr. L. muscus musk. See
   Muscadel.] (Zool.)
   The common European dormouse; -- so named from its odor.
   [Written also muscadine.]
   [1913 Webster]