Mde·wa·kan·ton 
(əm-dē-wôkən-tōn′, mĕd′ē-wô-)
(əm-dē-wôkən-tōn′, mĕd′ē-wô-)n. pl. Mdewakanton or Mde·wa·kan·tons or Mde·wa·kan·ton·an (-tō′nən)
A member of a Native American people of the Santee branch of the Sioux with present-day populations in Minnesota, South Dakota, and Nebraska.