tourn.[F. tour. See Tower.] A tower.(Chaucer.)n.[F. tour. See Turn, v. t.]1. A going round; a circuit; hence, a journey in a circuit; a prolonged circuitous journey; a comprehensive excursion; as, the tour of Europe; the tour of France or England.()The bird of Jove stooped from his airy tour. (Milton.)2. A turn; a revolution; as, the tours of the heavenly bodies.(Blackmore.)3. (Mil.) anything done successively, or by regular order; a turn; as, a tour of duty.()()v. i. To make a tourm; as, to tour throught a country.(T. Hughes.)