/ Dictionary / Index N navigation: Meaning and Definition of Find definitions for: nav•i•ga•tion Pronunciation: (nav"i-gā'shun), [key] — n. the act or process of navigating. the art or science of plotting, ascertaining, or directing the course of a ship, aircraft, or guided missile. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. See also: navigation (Thesaurus) navigate Navigation Act Related Content Daily Word Quiz: vertigo Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language