Navigation
n.- The act of navigating; the act of passing on water in ships or other vessels; the state of being navigable.
- Ships in general.
- 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.
the act or art of sailing or floating in the air, as by means of airplanes or ballons; aviation; aëronautic.
navigation on rivers, inland lakes, etc.

