from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of or resembling the earth or its shape or surface configuration.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Of or pertaining to the shape or structure of the surface of the Earth
- adj. Of or pertaining to geomorphology
from The Century Dictionary and Cyclopedia
- Of or relating to the figure of the earth or to the study of land-forms.
geo- + -morphic (Wiktionary)