11 letters · 11 points in Scrabble
adjective of or relating to or inhabiting the land as opposed to the sea or air
adjective of or relating to or characteristic of the planet Earth or its inhabitants; - L.C.Eiseley
adjective operating or living or growing on land
originFrom Middle English terrestrialle, from terrestre or Latin terrestris, from terra (“land, earth, ground”), with the suffix -al.
Etymology from Wiktionary, CC BY-SA 3.0