The Collaborative International Dictionary of English v.0.48:

Enamel \En*am"el\, v. t. [imp. & p. p. Enameledor Enamelled;
   p. pr. & vb. n. Enameling or Enamelling.]
   1. To lay enamel upon; to decorate with enamel whether inlaid
      or painted.
      [1913 Webster]

   2. To variegate with colors as if with enamel.
      [1913 Webster]

            Oft he [the serpent]bowed
            His turret crest and sleek enameled neck. --Milton.
      [1913 Webster]

   3. To form a glossy surface like enamel upon; as, to enamel
      card paper; to enamel leather or cloth.
      [1913 Webster]

   4. To disguise with cosmetics, as a woman's complexion.
      [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Enameled \En*am"eled\, a.
   Coated or adorned with enamel; having a glossy or variegated
   surface; glazed. [Written also enamelled.] Enameler