Arikara
noun
Arik·a·ra ə-ˈri-kə-rə 
1
plural Arikara : a member of an Indigenous people of the Missouri River valley in North Dakota
Note: The Arikara are federally recognized as part of the Mandan, Hidatsa, and Arikara Nation in North Dakota.
2
: the language of the Arikara
Word History
Etymology
probably from a Pawnee name for an Arikara band
First Known Use
1811, in the meaning defined at sense 1