Terrestrial refers to things having to do with the land or with the planet Earth.

Extraterrestrial, any object or being beyond the planet Earth

Terrestrial Trunked Radio, a specialist walkie talkie standard used by police departments, fire departments, ambulance services and the military

Landform, a geomorphological unit defined by their surface form and location in the landscape

Terrestrial planet, a planet that is primarily composed of silicate rocks. These planets go from Mercury to Mars. They are very small compared to the Jovian planets. They all have an iron core and contain not much gas

Terrestrial television, indicates that TV or radio signals are received through a conventional aerial

Terrestrial animal, an animal that lives on the land, as opposed to in water, air, or in the trees

Terra is a word meaning Earth, but also may refer...

Terrestrial plant, a plant that grows on land rather than in water or on rocks or trees