- lac that has been purified and formed into thin sheets, used for making varnish (shellac varnish ) by dissolving it in alcohol or a similar solvent.
- formerly, a phonograph record made of a breakable material containing shellac, especially one to be played at 78 r.p.m.: In the antique shop I found a stack of old shellacs with recordings of great wartime classics.
- to coat or treat with shellac.
- Slang.
- to defeat; trounce.
- to thrash soundly.
- a yellowish resin secreted by the lac insect, esp a commercial preparation of this used in varnishes, polishes, and leather dressings
- a varnish made by dissolving shellac in ethanol or a similar solvent
- a gramophone record based on shellac
- to coat or treat (an article) with a shellac varnish
- to defeat completely