Source : Webster's Revised Unabridged Dictionary (1913)

Flix \Flix\, n. [Cf. {Flax}.]
   Down; fur. [Obs. or Eng.] --J. Dyer.

Flix \Flix\, n.
   The flux; dysentery. [Obs.] --Udall.

   {Flix weed} (Bot.), the {Sisymbrium Sophia}, a kind of hedge
      mustard, formerly used as a remedy for dysentery.