Sauks

from The Collaborative International Dictionary of English v.0.48

Sacs \Sacs\ (s[add]ks), n. pl.; sing. {Sac}. (Ethnol.)
   A tribe of Indians, which, together with the Foxes, formerly
   occupied the region about Green Bay, Wisconsin. [Written also
   {Sauks}.]
   [1913 Webster]

from The Collaborative International Dictionary of English v.0.48

Sauks \Sauks\, n. pl. (Ethnol.)
   Same as {Sacs}.
   [1913 Webster]