tellurian

from The American Heritage® Dictionary of the English Language, 5th Edition.

• adjective Of, relating to, or inhabiting the earth.
• noun An inhabitant of the earth; a terrestrial.

from The Century Dictionary.

• Pertaining, relating to, or characteristic of the earth or an inhabitant of the earth.
• noun An inhabitant of the earth: so called with reference to supposed inhabitants of other planets.
• noun Same as tellurion.

from the GNU version of the Collaborative International Dictionary of English.

• adjective Of or pertaining to the earth.
• noun A dweller on the earth.
• noun An instrument for showing the operation of the causes which produce the succession of day and night, and the changes of the seasons.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• adjective Of or relating to, or inhabiting the Earth.
• adjective mineralogy Describing minerals containing tellurium.
• noun An inhabitant of the Earth.
• noun Alternative spelling of tellurion.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• adjective of or relating to or inhabiting the land as opposed to the sea or air
• noun an inhabitant of the earth