terrestrial (Noun) — An inhabitant of the planet Earth.
terrestrial (Adjective) — Of or relating to or inhabiting the land as opposed to the sea or air.
terrestrial (Adjective) — Of or relating to or characteristic of the planet Earth or its inhabitants. ex. "this terrestrial ball"
terrestrial (Adjective) — Operating, living or growing on land.
terrestrial (Adjective) — Concerned with the world or worldly matters. ex. "he developed an immense terrestrial practicality"
terrestrial (Adjective) — Of this earth. ex. "the nearest to an angelic being that treads this terrestrial ball"