ordinance

Short definition from Wiktionary

Noun

1. 1
   A local law, passed by e.g. a city.
2. 2
   An edict or decree, authoritative order: Prior to the Third English Civil War, a decree of Parliament.
3. 3
   An edict or decree, authoritative order: Detailed legislation that translates the broad principles of the university's charter and statutes into practical effect.
4. 4
   An edict or decree, authoritative order: A law enacted by the Hong Kong Legislative Council.
5. 5
   An edict or decree, authoritative order: A temporary legislation promulgated by the president on the recommendation of the cabinet.
6. 6
   A religious practice or ritual prescribed by a church.
7. 7
   Alternative form of ordnance (“military equipment, especially artillery”).