can·on
[kan-uhn]
noun
1. an ecclesiastical rule or law enacted by a council or other competent authority and, in the Roman Catholic Church, approved by the pope.
2. the body of ecclesiastical law.
3. the body of rules, principles, or standards accepted as axiomatic and universally binding in a field of study or art: the neoclassical canon.
4. a fundamental principle or general rule: the canons of good behavior.
5. a standard; criterion: the canons of taste.
6. the books of the Bible recognized by any Christian church as genuine and inspired.
7. any officially recognized set of sacred books.
8. any comprehensive list of books within a field.
9. the works of an author that have been accepted as authentic: There are 37 plays in the Shakespeare canon.
10. a catalog or list, as of the saints acknowledged by the Church.
Origin:
before 900; Middle English, Old English < Latin < Greek kanon: measuring rod, rule, akin to kánna: cane