DuckCorp Dico

Found one definition

1.                 From WordNet (r) 3.0 (2006):
                   
   
   
                   
                     
   Osage
       n 1: 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
       2: a river in Missouri that is a tributary of the Missouri River
          [syn: Osage, Osage River]
       3: the Dhegiha dialect spoken by the Osage