Source : Webster's Revised Unabridged Dictionary (1913)

Glaciate \Gla"ci*ate\, v. t.
   1. To convert into, or cover with, ice.

   2. (Geol.) To produce glacial effects upon, as in the scoring
      of rocks, transportation of loose material, etc.

   {Glaciated rocks}, rocks whose surfaces have been smoothed,
      furrowed, or striated, by the action of ice.