- Of or regarding Illinois, one of several usa, bordering on Lake Michigan.
- especially, in geology, noting an epoch or subdivision of this glacial duration, of which the build up are well developed in Illinois.
- A native or an inhabitant of the State of Illinois.
- among the Illinois, an Indian tribe of Algonkian stock.
- a native or citizen of Illinois
Sentence for "illinoisan"
Hypernym for "illinoisan"
Urban Dictionary for "illinoisan"