Source : Webster's Revised Unabridged Dictionary (1913)

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

Source : WordNet®

enamel
     n 1: hard white substance covering the crown of a tooth [syn: {tooth
          enamel}]
     2: a colored glassy compound (opaque or partially opaque) that
        is fused to the surface of metal or glass or pottery for
        decoration or protection
     3: a paint that dries to a hard glossy finish
     4: any smooth glossy coating that resembles ceramic glaze
     v : coat, inlay, or surface with enamel
     [also: {enamelling}, {enamelled}]

enamelling
     See {enamel}