from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A group of Native American peoples, also known as the Dakota, inhabiting the northern Great Plains from Minnesota to eastern Montana and from southern Saskatchewan to Nebraska. Present-day Sioux populations are located mainly in North and South Dakota.
  • n. A member of any of these peoples.
  • n. Any of the Siouan languages of the Sioux peoples.

from Wiktionary, Creative Commons Attribution/Share-Alike License

  • proper n. Name applied to various formerly nomadic Native American tribes of the North American Great Plains.
  • proper n. The group of languages spoken by the Sioux.

from the GNU version of the Collaborative International Dictionary of English

  • A nation of American Indians; see Dakotas.

from The Century Dictionary and Cyclopedia

  • n. A member of a family of North American Indians, now confined chiefly to North Dakota, South Dakota, and parts of Wyoming, Nebraska, and Montana.
  • Of or pertaining to the Sioux; Siouan; Dakotan: as, the Sioux wars; a Sioux village.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • n. a member of a group of North American Indian peoples who spoke a Siouan language and who ranged from Lake Michigan to the Rocky Mountains


North American French, short for nadouéssioux, from Ottawa naadowesiwag.
(American Heritage® Dictionary of the English Language, Fourth Edition)
A shortening of French Nadouessioux, from Ottawa naatowessiwak ("little snake"), which could refer to the massasauga (Sistrurus catenus), a small rattlesnake. (Wiktionary)



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