/ Dictionary / Index N navigational satellite: Meaning and Definition of Find definitions for: naviga'tional sat'ellite Pronunciation: [key] a satellite designed to enable operators of aircraft, vehicles, or vessels to determine their geographical position. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. Navigation Act navigation weir Related Content Daily Word Quiz: clairvoyant Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language