an official rule or order
managing, organizing
Cases of word usage
1) a law or regulation made by a local authority (e.g. a city council or railway company) (bylaw)
2) to prevent a person by a regulation (from doing or having something) (debar)
3) to make (a tax, duty, regulation etc) officially necessary (impose)
4) a rule made by authority for the proper regulation of a community or society or for behaviour (law)