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Meaning of Yanktonai

Yank•to•nai

Pronunciation: (yangk"tu-nī'), [key]
— pl. -nais, -nai.
  1. a member of one of two tribes of Dakota Indian people who inhabited the northern Great Plains in the 18th and 19th centuries. Cf.(def. 1).
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.