South Dakota Abbr. SD or S.D. or S.Dak.
A state of the north-central United States. It was admitted as the 40th state in 1889. Acquired in the Louisiana Purchase, the region became part of the Dakota Territory in 1861 and was split off from North Dakota at the time it achieved statehood. Pierre is the capital and Sioux Falls the largest city.
South Dakotan adj. & n.
The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2022 by HarperCollins Publishers. All rights reserved.
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