Definition of champaign in English:

champaign

noun

mass nounarchaic
  • Open level countryside.

    grassland, flatland, lowland, pasture, meadowland, open country, prairie, savannah, steppe
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Origin

Late Middle English: from Old French champagne, from late Latin campania, based on Latin campus ‘level ground’. Compare with campaign.

Pronunciation

champaign

/ˈtʃampeɪn/