Definition of "terrain" in English

noun

1. (geology) 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. (chiefly aviation) 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
   • TOO LOW, TERRAIN

4. (homeopathy) An individual's overall state of health.