from The American Heritage® Dictionary of the English Language, 4th Edition
- n. The regions beyond the gravitational influence of Earth encompassing interplanetary, interstellar, and intergalactic space.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. All of space beyond the gravitational influence of Earth, or outside the Solar System
from the GNU version of the Collaborative International Dictionary of English
- n. the part of outer space which is beyond the limits of the solar system.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. any region in space outside the solar system
Sorry, no etymologies found.