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terrain

American  
[tuh-reyn] / təˈreɪn /

noun

  1. a tract of land, especially as considered with reference to its natural features, military advantages, etc.

  2. Geology. terrane.


terrain British  
/ təˈreɪn, ˈtɛreɪn /

noun

  1. ground or a piece of ground, esp with reference to its physical character or military potential

    radio reception can be difficult in mountainous terrain

    a rocky terrain

  2. a variant spelling of terrane

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of terrain

1720–30; < French ≪ Vulgar Latin *terrānum, noun use of neuter of *terrānus of land. See terra, -an

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

On a recent Saturday, Cordero was dressed for the remote border terrain — flannel, hiking boots, a San Diego Padres cap pulled low against the sun.

From Los Angeles Times

The route involves navigating extremely challenging terrain, significant exposure, steep pinnacles and drops on both sides.

From BBC

When strong enough, the crew continued overland explorations and mapping of the Arctic terrain.

From Literature

Parks and Blea flipped on their afterburners and went through a series of tight turns to avoid being downed over the mountainous terrain.

From The Wall Street Journal

The Mare basalts provided relatively smooth terrain, making them ideal landing sites for Apollo astronauts.

From Science Daily