The Collaborative International Dictionary of English v.0.48:

Frost \Frost\, v. t. [imp. & p. p. Frosted; p. pr. & vb. n.
   Frosting.]
   1. To injure by frost; to freeze, as plants.
      [1913 Webster]

   2. To cover with hoarfrost; to produce a surface resembling
      frost upon, as upon cake, metals, or glass; as, glass may
      be frosted by exposure to hydrofluoric acid.
      [1913 Webster]

            While with a hoary light she frosts the ground.
                                                  --Wordsworth.
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   3. To roughen or sharpen, as the nail heads or calks of
      horseshoes, so as to fit them for frosty weather.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Frosted \Frost"ed\, a.
   1. Covered with hoarfrost or anything resembling hoarfrost;
      ornamented with frosting; also, frost-bitten; as, a
      frosted cake; frosted donuts.
      [1913 Webster]

   2. Provided with a surface finish which is matte or with a
      very fine grain, reminiscent of the surface texture of
      frost; as, frosted glass. Opposed to polished or
      burnished.
      [1913 Webster +PJC]

            Frosted work is introduced as a foil or contrast to
            burnished work.                       --Knight.
      [1913 Webster]

WordNet (r) 3.0 (2006):

frosted
    adj 1: (of glass) having a roughened coating resembling frost;
           "frosted glass"

Moby Thesaurus II by Grady Ward, 1.0:

106 Moby Thesaurus words for "frosted":
   affectless, alcoholic drink, anesthetized, arctic, argent,
   argentine, autistic, beverage, blunt, canescent, catatonic, chalky,
   chill, chilly, cold, cold as charity, cold-blooded, coldhearted,
   cool, cretaceous, dispassionate, drink, drinkable, drugged, dull,
   emotionally dead, emotionless, fleecy-white, frigid, frost-beaded,
   frost-chequered, frost-covered, frost-fettered, frost-rent,
   frostbound, frosted shake, frostlike, frosty, frosty-faced, frozen,
   grizzled, grizzly, heartless, hoar, hoar-frosted, hoary, icy,
   immovable, impassible, impassive, inexcitable, insusceptible,
   lactescent, lily-white, liquid, liquor, malt, marble, marmoreal,
   milky, niveous, nonemotional, objective, obtuse, out of touch,
   passionless, platinum, pop, potable, potation, pure white,
   rime-frosted, rimed, self-absorbed, semidiaphanous, semiopaque,
   semipellucid, semitransparent, shake, silver, silvered, silvery,
   snow-white, snowy, soda, soda pop, soda water, soft drink,
   soulless, spiritless, swan-white, tonic, unaffectionate,
   unemotional, unfeeling, unimpassioned, unimpressionable, unloving,
   unpassionate, unresponding, unresponsive, unsusceptible,
   unsympathetic, untouchable, white, white as snow