Толковый словарь английского языка Oxford English Reference - navigation

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)