(1):

(v. t.) To cover with a coat of hard, brilliant varnish, in the manner of the Japanese; to lacquer.

(2):

(v. t.) To give a glossy black to, as shoes.

(3):

(a.) Of or pertaining to Japan, or to the lacquered work of that country; as, Japan ware.

(4):

(n.) Work varnished and figured in the Japanese manner; also, the varnish or lacquer used in japanning.