- canonA generally accepted principle; a rule.
- canyonA valley, especially a long, narrow, steep valley, cut in rock by a river.
- canionOne of a pair of fitted tubes of cloth worn in Europe in the 16th and 17th centuries below short trunk hose and above stockings to cover the leg in between them, sometimes joined to the hose (sometimes reduced to ornamental rolls terminating the legs of the hose), and sometimes joined to each other as breeches worn under the hose.