terrain
UK /təˈɹeɪn/ US /təˈɹeɪn/
noun 4
Definitions
noun
1
A single, distinctive rock formation; an area having a preponderance of a particular rock or group of rocks.
2
An area of land or its particular features.
The race will be run over a variety of terrain, including grass and sand.
3
The surface of the earth; the ground.
This approach requires the aircraft to stay at an altitude of at least 3000 feet MSL until crossing the VOR in order to maintain terrain clearance.
controlled flight into terrain
4
An individual's overall state of health.
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