1
a(1)
: a geographic area
(2)
: a piece of land : ground
b
: the physical features of a tract of land
2
3
a
: a field of knowledge or interest
b
Examples of terrain in a Sentence
We had to drive over some rough terrain.
We hiked through a variety of terrains.
Recent Examples on the Web
On the ground, its rings are hard to appreciate; dunes, heat haze, and uneven terrain all conspire to hide the full shape.
—
Kenna Hughes-Castleberry, Space.com, 5 Dec. 2025
The company said the helicopter has completed six years of evaluations covering rugged terrain, mission systems, marine environments, and fire-prevention work.
—Sujita Sinha, Interesting Engineering, 5 Dec. 2025
These shoes are great for indoor terrain as well, as they can be styled as a cute chunky combat boot that will blend in seamlessly with your winter wardrobe.
—Caroline Hughes, Travel + Leisure, 4 Dec. 2025
Known for its hilly terrain and rapid economic growth in recent years, the country occupies a strategic position in the Great Lakes region and has played an outsized role in regional security dynamics.
—Gabe Whisnant, MSNBC Newsweek, 4 Dec. 2025
See All Example Sentences for terrain
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Kenna Hughes-Castleberry, Space.com, 5 Dec. 2025
The company said the helicopter has completed six years of evaluations covering rugged terrain, mission systems, marine environments, and fire-prevention work.
—Sujita Sinha, Interesting Engineering, 5 Dec. 2025
These shoes are great for indoor terrain as well, as they can be styled as a cute chunky combat boot that will blend in seamlessly with your winter wardrobe.
—Caroline Hughes, Travel + Leisure, 4 Dec. 2025
Known for its hilly terrain and rapid economic growth in recent years, the country occupies a strategic position in the Great Lakes region and has played an outsized role in regional security dynamics.
—Gabe Whisnant, MSNBC Newsweek, 4 Dec. 2025
See All Example Sentences for terrain
Cite this Entry
“Terrain.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terrain. Accessed 9 Dec. 2025.
Copy CitationKids Definition
terrain
noun
ter·rain
tə-ˈrān 
also te-
: the surface features of an area of land
rough terrain
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