令りょう制せい国こくりょうせいこくMeanings1nounprovince of Japan (under the ritsuryō system)historical termHistorical term referring to the administrative provinces established under the ritsuryō legal codes (7th–10th centuries). Often contrasted with the earlier 国 (kuni) and later feudal domains.See also: 律令制令りょう制せい国こくは律りつ