/ Dictionary / Index I international nautical mile: Meaning and Definition of Find definitions for: in'terna'tional nau'tical mile' Pronunciation: [key] a unit of distance at sea or in the air equal to 1.852 kilometers. Also called Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. international Morse code International Orange Related Content Daily Word Quiz: secular Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language