Allentiac

Al·len·ti·ac

 (ə-lĕn′tē-ăk′)
n. pl. Allentiac or Al·len·ti·acs
1. A member of a South American Indian people of west-central Argentina.
2. The extinct language of the Allentiac.

[Spanish alentiaco.]

Al·len′ti·ac′ adj.
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.