from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. A large planet composed mostly of gaseous hydrogen and helium, along with methane and ammonia; possibly with a solid core.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any of the four outermost planets in the solar system; much larger than Earth and gaseous in nature (like Jupiter)
Sorry, no etymologies found.