Ill.

Proper noun

Illinois

1. A state of the United States, named for the people.
   • Entire states such as California, Illinois and New York are now sanctuaries, as well as major cities and counties such as Fairfax, Montgomery and Prince George’s counties and the District of Columbia in the capital region, according to the list.2018 May 10, Stephen Dinan, “Half of all Americans now live in ‘sanctuaries’ protecting immigrants”, in The Washington Times
2. A confederation of Algonquian tribes who lived in the Mississippi River Valley.
3. The Algonquian language spoken by these tribes; the Miami-Illinois language.
   • Another interesting Illinois word is the name of the celebrated chief, which the French made Chachagouache.1917, Journal of the Illinois State Historical Society, page 91
4. A river in the United States that flows from Grundy County, Illinois, into the Mississippi River.
5. A river in Colorado, United States that flows from the Never Summer Mountains in the Rockies into the Michigan River.
6. A river in Oklahoma, United States that flows from the Ozarks into the Arkansas River.

See all 12 meanings of Illinois