Definitions

1. noun

A law or rule made by an authority such as a government or organization, especially one dealing with traffic or safety.

“The city council passed an ordinance banning smoking in public places.”

2. noun

A device or mechanism, especially one that is complex or automated.

“The manufacturing plant uses an ordinance to assemble the cars.”

3. noun

A canon or rule of conduct in a particular activity or profession.

“The musician learned the ordinance of proper note placement in music composition.”

4. verb

To appoint or decree something, especially as a law or rule.

“The government ordained a new tax system to reduce inequality.”