a. An area of land; ground: climbed a tree to view the surrounding terrain.
b. A particular geographic area; a region: a guide who knows this terrain well.
2. The surface features of an area of land; topography: boots designed for rugged terrain.
3. (also tĕrān) Variant of terrane.
[French, from Old French, from Vulgar Latin *terrānum, alteration of Latin terrēnum, from neuter of terrēnus, of the earth; see TERRENE.]
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