noun
also aric·a·ra əˈrikərə
( plural arikara or arikaras also aricara or aricaras )
Usage: usually capitalized
Etymology: Skidi Pawnee Arikara, literally, horns, from plural of ariki horn; from their hair style with hornlike bones inserted
1.
a. : a Caddo people west of the Missouri river in the Dakotas
b. : a member of such people
2. : the language of the Arikara people