also: バニッシュ · バーニッシュ
noun
A transparent protective coating applied to wood, paintings, or other surfaces.
from English
このテーブルにはワニスが塗ってある。
This table is coated with varnish.
絵の表面にワニスをかけると色が鮮やかになる。
Applying varnish to the surface of a painting makes the colors more vivid.
Also means 'varnish', but ワニス is more common in modern usage.
Lacquer; a similar coating but dries faster and is often solvent-based.
Borrowed from English 'varnish'.