nounpl. -·sas· or -·sa·
- a member of a North American Indian people now living in North Dakota; Gros Ventre (of the Missouri)
- the Siouan language of this people
Origin of Hidatsafrom Hidatsa hiratsa, willow wood lodge
nounpl. Hidatsa, or Hi·dat·sas
- A member of a Native American people inhabiting an area along the Missouri River in western North Dakota.
- The Siouan language of this people. Also called In both senses also called Gros Ventre .
Origin of HidatsaHidatsa hirá·ca ( originally the name of the largest division of the Hidatsa people ) of unknown origin ( although traditionally thought to be derived from wirahacitatí willow tree houses )