The following words, terms and phrases, when used in this article, shall have the meanings ascribed to them in this section, except where the context clearly indicates a different meaning:
Any dog of either sex and of any age unless otherwise indicated in this article.
Any person appointed to assist in the enforcement of the law.
Any person owning, harboring or keeping a dog within the limits of the City or the parent, guardian or other adult person with whom a minor owning a dog resides. Any person harboring a dog three days prior to any violation of this article shall be deemed the owner of the dog.