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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.]

lac′quer·er n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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In a warehouse studio in Kitakata, Fukushima Prefecture, Norikatsu Bannai, a lacquerer, was making a pitcher using the traditional dry lacquer technique that was introduced from China in the eighth century to build Buddhist statues.
Sotetsu Nakamura, of Kyoto, is a 12th generation master lacquerer of utensils used in Japanese tea ceremonies and the first woman to head her ancestral atelier