Definitions of japan:

• noun:   lacquer with a durable glossy black finish, originally from the orient
• noun:   lacquerware decorated and varnished in the Japanese manner with a glossy durable black lacquer
• noun:   a string of more than 3,000 islands east of Asia extending 1,300 miles between the Sea of Japan and the western Pacific Ocean
• noun:   a constitutional monarchy occupying the Japanese Archipelago; a world leader in electronics and automobile manufacture and ship building
• verb:   coat with a lacquer, as done in Japan