an authoritative rule or law; a decree or command.

a public injunction or regulation

a city ordinance against excessive horn blowing.

something believed to have been ordained, as by a deity or destiny.

Ecclesiastical .

an established rite or ceremony.

a sacrament.

the communion.

noun

authorization , canon , code , command , decree , dictum , direction , edict , enactment , fiat , mandate , order , precept , prescript , reg , regulation , ruling , statute , ukasenotes:ordinance means an authoritative rule or a statute enacted by a city government , while ordnance means military supplies or heavy artillery , institute , prescription , rule , act