Ter·res·tri·al a.
  1. Of or pertaining to the earth; existing on the earth; earthly; as, terrestrial animals. “Bodies terrestrial.”
  2. Representing, or consisting of, the earth; as, a terrestrial globe. “The dark terrestrial ball.”
  3. Of or pertaining to the world, or to the present state; sublunary; mundane.
     Vain labors of terrestrial wit.   --Spenser.
  A genius bright and base,
  Of towering talents, and terrestrial aims.   --Young.
  4. Consisting of land, in distinction from water; belonging to, or inhabiting, the land or ground, in distinction from trees, water, or the like; as, terrestrial serpents.
     The terrestrial parts of the globe.   --Woodward.
  5. Adapted for the observation of objects on land and on the earth; as, a terrestrial telescope, in distinction from an astronomical telescope.
  -- Ter*res*tri*al*ly, adv. -- Ter*res*tri*al*ness, n.
  terrestrially
       adv 1: in a worldly manner; "terrestrially changeable" [syn: mundanely]
       2: to a land environment; "terrestrially adapted"