Shellac wax is a resinous substance derived from insects such as lac beetles. It is commonly used as a protective coating for wood, metal, and paper products. However, there are several synonyms for this substance that are used in different contexts. For instance, some people refer to it as shellac varnish, while others may use the term lacquer, especially when referring to its use in automotive finishing. Other possible synonyms for shellac wax include gum lac, stick lac, and seed lac. These terms may be used interchangeably to refer to the same or similar products, depending on the specific application and manufacturing process involved.