Lacquer is a special liquid coating that dries into a hard, shiny, protective surface. When you apply lacquer to wood, it soaks in slightly and then hardens into a glossy finish that protects the material underneath. Think of how a clear coat makes a wooden jewelry box shine and keeps it safe from scratches and water damage.

Traditional lacquer, invented in ancient China and perfected in Japan, comes from the sap of lacquer trees and creates an incredibly durable finish. Craftspeople apply many thin layers, sometimes dozens, carefully sanding between coats. A single lacquered bowl might take months to complete. These beautiful lacquerware pieces, often decorated with gold designs or mother-of-pearl inlays, can last for centuries and even improve with age.

Modern lacquers are usually synthetic chemicals that dry much faster. Musicians use lacquer to protect and beautify guitars and violins. Furniture makers apply it to tables and cabinets. You might have even used nail lacquer, another term for nail polish.

The word can also be a verb: when you lacquer something, you're applying this coating to it. Whether traditional or modern, lacquer transforms ordinary objects into protected, polished versions of themselves.