plains
n. countable B1 Intermediate US //ˈpɫeɪnz// UK //plˈeɪnz// plains
n. large, flat areas of land with very few trees. You often find them in the middle of a country where the soil is good for farming.
n. extensive areas of level or nearly level land, typically characterized by low relief and a lack of significant forestation. Often used in the plural to refer to a specific geographic region.
The vast plains are perfect for growing wheat.
The train traveled for hours across the grassy plains before reaching the mountains.
Early settlers were often overwhelmed by the sheer scale of the central plains, where the horizon seemed to stretch infinitely in every direction without a single landmark.
Usage
Frequently used in the plural form ('plains') when referring to a broad geographic territory.