canon

(noun) a rule or especially body of rules or principles generally established as valid and fundamental in a field or art or philosophy. Examples: "The neoclassical canon." "Canons of polite society."

(noun) a priest who is a member of a cathedral chapter.

(noun) a ravine formed by a river in an area with little rainfall. Synonyms: canyon.

(noun) a contrapuntal piece of music in which a melody in one part is imitated exactly in other parts.

(noun) a complete list of saints that have been recognized by the Roman Catholic Church.

(noun) a collection of books accepted as holy scripture especially the books of the Bible recognized by any Christian church as genuine and inspired.