Source : Webster's Revised Unabridged Dictionary (1913)

Coat \Coat\, v. t. [imp. & p. p. {Coated}; p. pr. & vb. n.
   {Coating}.]
   1. To cover with a coat or outer garment.

   2. To cover with a layer of any substance; as, to coat a jar
      with tin foil; to coat a ceiling.

Source : WordNet®

coated
     adj 1: having a coating; covered with an outer layer or film; often
            used in combination; "coated paper has a smooth
            polished coating especially suitable for halftone
            printing"; "sugar-coated pills" [ant: {uncoated}]
     2: having or dressed in a coat