a tract of land, especially as considered with reference to its natural features, military advantages, etc.
Definition: 2
Geology, terrane.
Definition: 3
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
Definition: 4
a variant spelling of terrane
Definition: 5
a series of rock formations, esp one having a prevalent type of rock