- plain, field, champaign - extensive tract of level open land; "they emerged from the woods onto a vast open plain"; "he longed for the fields of his youth"
--1 is a kind of land, dry land, earth, ground, solid ground, terra firma
--1 has particulars:Olympia; Nullarbor Plain; flat; floodplain, flood plain; llano; moor, moorland; peneplain, peneplane; snowfield; steppe; tundra - Champaign - a university town in east central Illinois adjoining Urbana
--2 is a kind of town
--2 is a part of Illinois, Prairie State, Land of Lincoln, IL