Wordnet 3.0
ADJECTIVE (2)
1. 
 having a coating; 
 covered with an outer layer or film; 
 often used in combination; 
- Example: "coated paper has a smooth polished coating especially suitable for halftone printing"- Example: "sugar-coated pills"2. 
 having or dressed in a coat; 
The Collaborative International Dictionary of English v.0.48:
Coat \Coat\ (k[=o]t), v. t. [imp. & p. p. Coated; p. pr. & vb.
   n. Coating.]
   1. To cover with a coat or outer garment.
      [1913 Webster]
   2. To cover with a layer of any substance; as, to coat a jar
      with tin foil; to coat a ceiling.
      [1913 Webster]
The Collaborative International Dictionary of English v.0.48:
coated \coated\ adj.
   1. covered with an outer layer or film; as, sugar-coated
      pills.
      [WordNet 1.5]
   2. covered with a shiny coating by applying e.g. beaten egg
      or a sugar or gelatin mixture; -- of foods.
      [WordNet 1.5]
   3. (Photog.) coated on the side opposite the emulsion with a
      substance to absorb light; -- of film.
      [WordNet 1.5]
WordNet (r) 3.0 (2006):
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