| 1. | a protective coating consisting of a resin, cellulose ester, or both, dissolved in a volatile solvent, sometimes with pigment added. |
| 2. | any of various resinous varnishes, esp. a resinous varnish obtained from a Japanese tree, Rhus verniciflua, used to produce a highly polished, lustrous surface on wood or the like. |
| 3. | Also called lacquer ware, lac⋅quer⋅ware. ware, esp. of wood, coated with such a varnish, and often inlaid: They collected fine Oriental lacquers. |
| 4. | Slang. any volatile solvent that produces euphoria when inhaled. |
| 5. | to coat with lacquer. |
| 6. | to cover, as with facile or fluent words or explanations cleverly worded, etc.; obscure the faults of; gloss (often fol. by over): The speech tended to lacquer over the terrible conditions. |