Japanese plum n 1: small tree of China and Japan bearing large yellow to red plums usually somewhat inferior to European plums in flavor [syn: {Prunus salicina}] 2: evergreen tree of warm regions having fuzzy yellow olive-sized fruit with a large free stone; native to China and Japan [syn: {loquat}, {loquat tree}, {Japanese medlar}, {Eriobotrya japonica}] 3: yellow olive-sized semitropical fruit with a large free stone and relatively little flesh; used for jellies [syn: {loquat}]