Glaciate /(?)/

Gla·ci·ate

Glaciate

v. i.
  1. To turn to ice.

Glaciate

v. t.
  1. To convert into, or cover with, ice.
  2. To produce glacial effects upon, as in the scoring of rocks, transportation of loose material, etc. (Geol.)

Phrases & Compounds
Glaciated rocks
rocks whose surfaces have been smoothed, furrowed, or striated, by the action of ice.