济州 jìzhōu Jeju Island Definitions Defs Origin Strokes Stroke Words Sentences Sents 济 濟 jǐ Ji River (bound form) an ancient river in central China; used in place names like 济南 jǐnán or 济源 jǐyuán州 zhōu proper noun prefecture An administrative division in China, including modern autonomous prefectures (自治州 zìzhìzhōu) and historical units whose names survive in city names like 苏州 sūzhōu