the acetylated derivative of salicylic acid; used as an analgesic anti-inflammatory drug (trade names Bayer, Empirin, and St. Joseph) usually taken in tablet form; used as an antipyretic; slows clotting of the blood by poisoning platelets | a dialect of the Chiwere language spoken by the Missouri |
a town in northwest Missouri on the Missouri River; in the 19th century it became the eastern terminus of the pony express | 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 |
| the longest river in the United States; arises in Montana and flows southeastward to become a tributary of the Mississippi at Saint Louis |
| a member of the Siouan people formerly inhabiting the valley of the Missouri river in Missouri |