/ Dictionary / Index N nav.: Meaning and Definition of Find definitions for: nav. Pronunciation: [key] naval. navigable. navigation. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. nautophone Navaho Related Content Daily Word Quiz: diligent Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language