/ təˈrestriəl; NAmE / adjective
1.
( technical ) ( of animals and plants ) living on the land or on the ground, rather than in water, in trees or in the air
2.
connected with the planet Earth :
terrestrial life
—compare celestial , extraterrestrial
3.
( of television and broadcasting systems ) operating on earth rather than from a satellite
••
WORD ORIGIN
late Middle English (in the sense temporal, worldly, mundane ): from Latin terrestris (from terra earth) + -al .