musionHer.Obs.exc.Hist.|ˈmjuːsɪɒn| [Of unknown origin; perh. arbitrarily f. L. mūs mouse.] The wild cat. 1572J. Bossewell Armorie ii. 56 On a chiefe Pearle, a Musion or Catte, Gardant, Ermines.1880Encycl.Brit. XI. 699/2 The musion was the emblem of Burgundy.