Breadcrumb Home > Dictionary > Index S South Dakota: Meaning and Definition of Find definitions for: South' Dako'ta Pronunciation: [key] a state in the N central United States: a part of the Midwest. 690,178; 77,047 sq. mi. (199,550 sq. km). Cap.: Pierre. Abbr.: SD (for use with zip code), S. Dak. Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease. South China Sea Southdown 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: antiphon Analogy of the Day: Today’s Analogy Frequently Misspelled Words Frequently Mispronounced Words Easily Confused Words Writing & Language