· a midwestern state in central United States; a border state during the American Civil War, Missouri was admitted to the Confederacy without actually seceding from the Union
Synonym(s): Show_Me_State, MO, Mo.
· the longest river in the United States; arises in Montana and flows southeastward to become a tributary of the Mississippi at Saint Louis; "The Missouri and Mississippi Rivers together form the third longest river in the world"
Synonym(s): Missouri_River
· a member of the Siouan people formerly inhabiting the valley of the Missouri river in Missouri
· a dialect of the Chiwere language spoken by the Missouri
Hypernym(s): Chiwere