ritsuryō system
Abbreviation of 律令制, referring to the historical legal and administrative system of classical Japan. Used in historical contexts.
See also: 律令制
The ritsuryō system is an ancient Japanese legal system modeled after Chinese codes.
province of Japan (under the ritsuryō system)
Abbreviation of 律令制 (ritsuryō-sei), from 律 (ritsu, 'penal code') and 令 (ryō, 'administrative code').