vt to give a glossy black to, as shoes.
2. japan ·adj of or pertaining to japan, or to the lacquered work of that country; as, japan ware.
3. japan ·noun work varnished and figured in the japanese manner; also, the varnish or lacquer used in japanning.
4. japan ·vt to cover with a coat of hard, brilliant varnish, in the manner of the japanese; to lacquer.