Source : Webster's Revised Unabridged Dictionary (1913)

Poly-mountain \Po`ly-moun"tain\, n. (Bot.)
   (a) Same as {Poly}, n.
   (b) The closely related {Teucrium montanum}, formerly called
       {Polium montanum}, a plant of Southern Europe.
   (c) The {Bartsia alpina}, a low purple-flowered herb of
       Europe.