Answer: japanner

AnswerCrossword Clue
japannerto coat with any material that gives a hard, black gloss
japannerany of various hard, durable, black varnishes, originally from Japan, for coating wood, metal, or other surfaces
japannerwork varnished and figured in the Japanese manner
japannervariety of decorative motifs or patterns derived from Oriental sources, used on English porcelain of the 18th and 19th centuries
japannerone that japans (to coat with a glossy black lacquer)
japannerof or pertaining to japan
japannerto varnish with japan; lacquer