1. State in central United States, named after the Missouri River and Missouri indigenous people
   - Show Me State [informal], MO, Mo.
    
2. The longest river in North America, rising in Montana and flowing southeastward to join the Mississippi River at St. Louis
   "The Missouri and Mississippi Rivers together form the third longest river in the world";
   - Missouri River
    
3. A member of the Siouan people formerly inhabiting the valley of the Missouri river in Missouri
   - Missouria
    
4. A dialect of the Chiwere language spoken by the Missouri

Derived forms: Missouris

Type of: American state, Chiwere, Chiwere language, river, Siouan, Sioux

Part of: America, Confederacy, Confederate States, Confederate States of America, Dixie, Dixieland, 'Merica, middle west, Midwest, midwestern United States, South, the States, U.S., U.S.A., United States, United States of America, US, USA

Encyclopedia: Missouri, Kansas and Texas Railway