Source : Webster's Revised Unabridged Dictionary (1913)

Lacquer \Lac"quer\, v. t. [imp. & p. p. {Lacquered}; p. pr. &
   vb. n. {Lacquering}.]
   To cover with lacquer. ``Lacquer'd chair.'' --Pope.

Lacquer \Lac"quer\, n. [F. lacre a sort of sealing wax, Pg.
   lacte, fr. laca lac. See {Lac} the resin.] [Written also
   {lacker}.]
   A varnish, consisting of a solution of shell-lac in alcohol,
   often colored with gamboge, saffron, or the like; -- used for
   varnishing metals, papier-mach['e], and wood. The name is
   also given to varnishes made of other ingredients, esp. the
   tough, solid varnish of the Japanese, with which ornamental
   objects are made.

Source : WordNet®

lacquer
     n 1: a black resinous substance obtained from certain trees and
          used as a natural varnish
     2: a hard glossy coating

lacquer
     v : coat with lacquer; "A lacquered box from China"