n.1 the act or process of navigating.
2 any of several methods of determining or planning a ship's or aircraft's position and course by geometry, astronomy, etc.
3 a voyage.
Phrases and idioms:
inland navigation communication by canals and rivers. navigation light a light on a ship or aircraft at night, indicating its position and direction.
Derivatives:
navigational adj.
Etymology: F or f. L navigatio (as NAVIGATE)