ca·non·i·cal (kə-nŏnĭ-kəl) also ca·non·ic (-ĭk)
1. Of, relating to, or required by canon law.
2. Of or appearing in the biblical canon.
3. Conforming to orthodox or well-established rules or patterns, as of procedure.
4. Of or belonging to a cathedral chapter.
5. Of or relating to a literary canon: a canonical writer like Keats.
6. Music Having the form of a canon.
can′on·ici·ty (kăn′ə-nĭsĭ-tē) n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2019 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Indo-European & Semitic Roots Appendices
Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:
The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.