Champaign country, also known as flatlands or plains, refers to a region that is typically characterized by vast, open fields with little or no hills or mountains for miles around. Synonyms for this term include prairies, grasslands, meadows, and steppes. These regions are often found in the Midwest or great plains of North America and are known for their fertile soils, making them ideal for agriculture. Other related terms include savannahs, pampas, and tundras, which share some of the same features but differ in climate and vegetation. Overall, these words offer a variety of ways to describe the geographical and environmental features of the champaign country.