from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. the solid body of the Earth
from The Century Dictionary and Cyclopedia
- n. The atmosphere of the earth as distinguished from that of other planets.
- n. One of the concentric, spheroidal shells of which the earth may be conceived to consist.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the solid part of the earth consisting of the crust and outer mantle
From geo- + -sphere. (Wiktionary)