Definition of "Terrestrial" :
adjective: operating or living or growing on land
adjective: of this earth
"The nearest to an angelic being that treads this terrestrial ball."
adjective: concerned with the world or worldly matters
"He developed an immense terrestrial practicality."
adjective: of or relating to or characteristic of the planet Earth or its inhabitants
"This terrestrial ball."
adjective: of or relating to or inhabiting the land as opposed to the sea or air