What is the meaning of Varnish?

A type of paint with a solvent that evaporates to leave a hard, transparent, glossy film.

Anything resembling such a paint; glossy appearance.

A deceptively showy appearance.

a passenger train, probably derived from the varnished passenger cars used at one time.

To apply varnish.

To cover up with varnish.

To make something superficially or deceptively attractive

To gloss over a defect.

varnish

Source: wiktionary.org