cannon / canon [ˈkænən]
cannon – n. – 1. a large heavy gun; 2. similar device for discharging a specific substance, i.e., water, snow; 3. an automatic aircraft gun firing shells; 4. a hollow cylinder moving independently on a shaft; v. intr. – 1. (usu. foll. by “against”, “into” – collide heavily or obliquely
canon – n. – 1. (a) a regulation or dogma decreed by a church council; (b) a provision of canon law; 2. (a) an authoritative list of books accepted as Holy Scripture; (b) the authentic works of a writer; (c) a sanctioned or accepted group or body of related works; 3. (a) an accepted principle or rule; (b) a criterion or standard of judgment; (c) a body of principles, rules, standards, or norms; 4. a clergyman belonging to the chapter or the staff of a cathedral or collegiate church