Source : WordNet®

shellac
     n 1: lac purified by heating and filtering; usually in thin
          orange or yellow flakes but sometimes bleached white
     2: a thin varnish made by dissolving lac in ethanol; used to
        finish wood [syn: {shellac varnish}]
     v : cover with shellac; "She wanted to shellac the desk to
         protect it from water spots"
     [also: {shellacking}, {shellacked}]

shellacking
     See {shellac}