ETYM Old Fren. champaigne; same word as campagne.
An effervescent wine, especially that produced in the region of Champaign, in France.
1. An expanse of level open country; plain.
2 archaic; battlefield.

City in Illinois (USA).
level countryside or plain.
plain; any level expanse.
City in E central Illinois, US, directly W of Urbana; Industries include electronic equipment, academic clothing, and air-conditioning equipment. Together with Urbana, it is the site of the University of Illinois.