Breadcrumb Home > Dictionary > Index S Sierra Leone: Meaning and Definition of Find definitions for: Sier'ra Le•o'ne Pronunciation: (lē-ō'nē, lē-ōn'), [key] an independent republic in W Africa: member of the Commonwealth of Nations; formerly a British colony and protectorate. 3,000,000; 27,925 sq. mi. (72,326 sq. km). Cap.: Freetown. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. sierra Sierra lily TrendingHere are the facts and trivia that people are buzzing about. Did Birds Evolve from Dinosaurs? The Twelve Dancing Princesses Current Events This Week: January 2023 African Americans by the Numbers Andersen's Fairy Tales: Contents The Celtic Twilight: A Teller of Tales ✖ Related Content Daily Word Quiz: catalpa Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language