definition of
Missouri

[1] #1 Missouri n. [Show Me State, MO] 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. wn

[2] #2 Missouri n. [Missouri River] 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". wn

[3] #3 Missouri n. a member of the Siouan people formerly inhabiting the valley of the Missouri river in Missouri. wn

[4] #4 Missouri n. a dialect of the Chiwere language spoken by the Missouri. wn