From Longman Business Dictionary
civil lawˌcivil ˈlawLAW1[uncountableU] the laws of a country dealing with the affairs of private citizens, rather than with crime and criminalsThe purpose of the civil law is to compensate; it is the function of the criminal law to punish.
2[uncountableU] (also Roman Law)LAW the law of ancient Rome, which is still used as the basis for the legal system in some countries, especially the countries of continental Europe or countries formerly governed by them. → law