Noah Webster's New International Dictionary of the English Language
1. (n.) Orderly arrangement; preparation; provision.
2. (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.
3. (n.) An established rite or ceremony.
4. (n.) Rank; order; station.
5. (n.) Ordnance; cannon.