D defs.my
Entry 3 senses Webster, 1913

Shellac

/shĕl'-ăkˌ/ · Shel·lac · IPA /ʃəˈlæk/
01 n. Lac which has been reduced to a thin crust. See the Note under 2d Lac.
  1. 1.
    Lac which has been reduced to a thin crust. See the Note under 2d Lac. See: Lac
  2. 2.
    A solution of shellac{1} in alcohol or other volatile solvent, used as a varnish.
  3. 3.
    A phonograph record, made of a material containing shellac; -- no longer manufactured.[Obsolescent]