DictionaryordinanceAuthoritative rule
noun

ordinance

OR-dih-nuhns/ˈɔːrdɪnəns/

A rule prescribed by an authority.

A city ordinance prohibits parking on this street after midnight.

A local no-parking sign showing only a crossed-out car pictogram stands beside curb; East Asian municipal officer points it out to driver.
Etymology

Putting things “in order” extended to directing how they should be done. An ordinance is such an authoritative direction, specifically a local government's rule in this sense.

In context

CTV Santa Cruz County77:31
state law requires that if a local government passes an ordinance or a law there's two readings required
Santa Cruz Board of Supervisors 03/14/23

More examples

  • The council passed an ordinance limiting construction noise.
  • Local ordinances require restaurants to keep sidewalks clear.
  • The church regards baptism as a sacred ordinance.

Forms

ordinance · ordinances

Similar words

rule
A broader term covering informal expectations as well as laws.
regulation
Usually a detailed requirement issued to implement a law.
decree
An official command, often issued by a single ruler.