A glossy, resinous material used as a surface coating; either a natural exudation of certain trees, or a solution of nitrocellulose in alcohol, etc.
A similar finish, baked onto the inside of cans.
To apply a lacquer to something or to give something a smooth, glossy finish.
The application of whitewash.
The effacement of errors or bad actions.
The process of whitewashing, of making over (a person or character, a group, an event, etc) so that it is or seems more white (Caucasian), for example by applying makeup to a person, or by covering over the participation of people of color in an event and focusing on only white participation.