varnish

noun
1
a liquid that is painted onto wood, metal, etc. and that forms a hard shiny surface that you can see through when it is dry
جلا, لاک, وارنیش
see also nail varnish
verb
1
to put varnish on the surface of something
لاک زدن, جلا دادن, پوشاندن با روغن جلا