- refined lac, a resinous substance usually produced in thin, flaky layers or shells and used in making varnish, phonograph records, insulating materials, etc.
- a thin, usually clear kind of varnish containing this resin and alcohol
Origin of shellacshel(l) + lac, used as translated, translation of French laque en écailles, lac in fine sheets
transitive verb-·lacked′, -·lack′ing
- to apply shellac to; cover or varnish with shellac
- to beat
- to defeat decisively