from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A group of three or more stars, usually with a common gravitational center, that appear as one to the unaided eye.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. Multiple stars which form a stellar system, such that they orbit the point of equilibrium of their gravitational fields; a multiple star system.
- n. Multiple stars that appear to be one when seen with the naked eye, either because they orbit one another (multiple star systems) or happen to be in the same line of sight even though they are separated by a great distance.
from the GNU version of the Collaborative International Dictionary of English
- adj. several stars in close proximity, which appear to form a single system.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a system of three or more stars associated by gravity
Sorry, no etymologies found.