lac·quer 
(lăkər)
(lăkər)n.
1. Any of various clear or colored synthetic coatings made by dissolving nitrocellulose or other cellulose derivatives together with plasticizers and pigments in a mixture of volatile solvents and used to impart a high gloss to surfaces.
2. A glossy, resinous material, such as the processed sap of the lacquer tree, used as a surface coating.
3. A finish that is baked onto the inside of food and beverage cans.
tr.v. lac·quered, lac·quer·ing, lac·quers
1. To coat with lacquer.
2. To give a sleek, glossy finish to.
[Obsolete French lacre, sealing wax, from Portuguese, from lacca, resin of the lac insect, from Arabic lakk; see LAC1.]
lacquer·er n.