/ Dictionary / Index L League of Nations: Meaning and Definition of Find definitions for: League' of Na'tions Pronunciation: [key] an international organization to promote world peace and cooperation that was created by the Treaty of Versailles (1919): dissolved April 1946. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. League City League of Women Voters Related Content Daily Word Quiz: nefarious Analogy of the Day: Today’s Analogy Spelling Bee: Today’s Spelling Bee Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language