from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Of, relating to, or being an orbit that has a period of one sidereal day.
- adj. Geostationary.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Refers to the orbit of a satellite whose rate of revolution is matched to the rotation period of the Earth. A special case is the geostationary orbit which is is circular and equatorial, so that the satellite appears to be fixed over a particular point on Earth's sky.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adj. of or having an orbit with a fixed period of 24 hours (although the position in the orbit may not be fixed with respect to the earth)
Sorry, no etymologies found.