/ Dictionary / Index N North Atlantic Treaty Organization: Meaning and Definition of Find definitions for: North' Atlan'tic Trea'ty Organiza"tion. Pronunciation: [key] See Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. North Atlantic Treaty North Attleborough Related Content Daily Word Quiz: illegible Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language