Main Entry: Hi·dat·sa

Pronunciation: \hi-ˈdät-sə\

Function: noun

Inflected Form(s): plural Hidatsa also Hidatsas

Etymology: Hidatsa hirá·ca, a Hidatsa subgroup

Date: 1873

1 : a member of an American Indian people of the Missouri River valley in North Dakota
2 : the Siouan language of the Hidatsa