A member of a Native American people formerly inhabiting western Missouri and later southeast Kansas, with a present-day population in north-central Oklahoma. Substantial oil reserves were discovered on Osage lands in the early 1900s.
User Defined Definitions
"a member of the Siouan people formerly living in Missouri in the valleys of the Missouri and Osage rivers; oil was found on Osage lands early in the 20th century"
"a river in Missouri that is a tributary of the Missouri River"