Varnish resin is a type of coating used to protect and enhance the appearance of wood, metal, and other surfaces. The crossword solutions for the term VARNISH RESIN are LAC (3 letters), MASTIC (6 letters), ELEMI (5 letters), and COPAL (5 letters). LAC is a type of resin secreted by certain insects, while MASTIC is a type of resin obtained from the MASTIC tree. ELEMI is a type of resin obtained from the ELEMI tree, and COPAL is a type of resin obtained from the COPAL tree. All of these resins are used in the production of varnish resin.