Simple Definition of terrain

from our Learner's Dictionary

terrain

noun

təˈreɪn

plural terrains

: land of a particular kind

We had to drive over some rough terrain.

We hiked through a variety of terrains.

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“Terrain.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/terrain. Accessed 20 Jun. 2026.

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