Meaning of terrestrial

ter•res•tri•al

Pronunciation: (tu-res'trē-ul), [key]
— adj.
  1. pertaining to, consisting of, or representing the earth as distinct from other planets.
  2. of or pertaining to land as distinct from water.
    1. growing on land; not aquatic.
    2. growing in the ground; not epiphytic or aerial.
  3. living on or in the ground; not aquatic, arboreal, or aerial.
  4. of or pertaining to the earth or this world; worldly; mundane.
—n.
  1. an inhabitant of the earth, esp. a human being.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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