Meaning

noun a rule or especially body of rules or principles generally established as valid and fundamental in a field or art or philosophy

noun a priest who is a member of a cathedral chapter

noun a ravine formed by a river in an area with little rainfall

origin* As an English, Scottish, and Irish surname, variant of Cannon. * As a French topographical surname, from placenames derived from canne (“reed, cane, tube”). * As a Chaldean/Chaldean Neo-Aramaic surname, variant of Kanon, Kanoun, from [script needed] (Kānūn), the Classical Syriac name of the ninth and tenth months of the Assyrian calendar, from ܟܢܘܢ ܒ.

Etymology from Wiktionary, CC BY-SA 3.0