Atsina
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At·si·na
(ăt-sē′nə)n. pl. Atsina or At·si·nas
See Gros Ventre.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.