constitutional law http://id.loc.gov/authorities/subjects/sh85031329 https://en.wikipedia.org/wiki/Constitutional_law https://www.wikidata.org/wiki/Q11206 A body of law which defines the role, powers, and structure of different entities within a state, namely, the executive, the parliament or legislature, and the judiciary; as well as the basic rights of citizens and, in federal countries such as the United States and Canada, the relationship between the central government and state, provincial, or territorial governments. constitutional laws public law law