Pronunciation: (ôr'dn-uns), [key]
1. an authoritative rule or law; a decree or command.
2. a public injunction or regulation: a city ordinance against excessive horn blowing.
3. something believed to have been ordained, as by a deity or destiny.
a. an established rite or ceremony.
b. a sacrament.
c. the communion.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.