Hunk·pa·pa (hŭngk'pä'pä) n.
pl.Hunkpapa or Hunk·pa·pas
A Native American people constituting a subdivision of the Teton Sioux, formerly inhabiting an area from the western Dakotas to southeast Montana, with a present-day population along the border between North and South Dakota. The Hunkpapa figured prominently in the resistance to white encroachment on the northern Great Plains.