relating to the planet earth or its inhabitants
relating to land as distinct from air or water
said of organisms: living on or in land or soil
said of a planet: like the earth in density, composition, etc
said of a television system or service: not transmitting programmes via a satellite
mundane or prosaic
terrestrial noun
terrestrially adv
[Middle English in the sense ‘worldly, temporal’, from Latin terrestris, from terra earth]