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The Collaborative International Dictionary
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Navigation \Nav`i*ga"tion\, n. [L. navigatio: cf. F. navigation.]

  1. The act of navigating; the act of passing on water in ships or other vessels; the state of being navigable.

    1. 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.

    2. The management of sails, rudder, etc.; the mechanics of traveling by water; seamanship.

  2. Ships in general. [Poetic]
    --Shak.

    A["e]rial navigation, the act or art of sailing or floating in the air, as by means of airplanes or ballons; aviation; a["e]ronautic.

    Inland navigation, Internal navigation, navigation on rivers, inland lakes, etc.