/ Dictionary / Index N navigation weir: Meaning and Definition of Find definitions for: naviga'tion weir" Pronunciation: [key] stanch (def. 5). Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. navigational satellite navigator 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