A state of the United States, named for the people. / A confederation of Algonquian tribes who lived in the Mississippi River Valley.

A member of the above-mentioned tribe.

plural of Illinoisan

Of or relating to Illinois, one of the United States.

A native or resident of the state of Illinois in the United States of America.

A resident of Illinois.

(obsolete) A rejected name for promethium.

plural of illinition

Act of smearing or rubbing in or on. / That which is smeared or rubbed on, such as ointment or liniment. / A crust of some extraneous substance formed on minerals.

The Illinois Confederation.