(1):
(n.) An established rite or ceremony.
(2):
(n.) Rank; order; station.
(3):
(n.) Ordnance; cannon.
(4):
(n.) A rule established by authority; a permanent rule of action; a statute, law, regulation, rescript, or accepted usage; an edict or decree; esp., a local law enacted by a municipal government; as, a municipal ordinance.
(5):
(n.) Orderly arrangement; preparation; provision.