the act of navigating; the act of passing on water in ships or other vessels; the state of being navigable.-the science or art of conducting ships or vessels from one place to another, including, more especially, the method of determining a ship's position, course, distance passed over, etc., on the surface of the globe, by the principles of geometry and astronomy.-the management of sails, rudder, etc.; the mechanics of traveling by water; seamanship.-ships in general.