n. pl. Sauk or
Sauks also
Sac or
Sacs 1. A member of a Native American people formerly inhabiting parts of Wisconsin, Illinois, and Iowa, with a present-day population mainly in Oklahoma. Sauk resistance to removal from their Illinois lands ended in 1832 with the Black Hawk War.
2. The Algonquian language of the Sauk, dialectally related to Fox.