noun
terrain
tuh-RAYN/təˈreɪn/
Land considered by its surface features.
The terrain includes rocky ridges, rolling hills, and a flat valley.

Etymology
The ancestor meant simply “land” or “ground.” The selected meaning focuses on land considered in terms of its natural surface features, rather than merely as a piece of ground.
In context
The road from Myassa to Lebron is not just a connection between two points. It is a process, stretching across difficult terrain and rising steadily in elevation.
More examples
- Steep terrain makes this hike especially difficult.
- This vehicle handles rough terrain with ease.
- The map shows how the terrain rises near the river.
Forms
terrain · terrains