from The American Heritage® Dictionary of the English Language, 4th Edition
- n. An old astronomical model with solid rings, all circles of a single sphere, used to display relationships among the principal celestial circles.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- n. An instrument consisting of graduated metal circles used to represent the motions of celestial bodies around the earth.
from the GNU version of the Collaborative International Dictionary of English
- adj. an ancient astronomical machine composed of an assemblage of rings, all circles of the same sphere, designed to represent the positions of the important circles of the celestial sphere.
- n. See under Armillary, Crystalline,.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a celestial globe consisting of metal hoops; used by early astronomers to determine the positions of stars
Translation of French sphère armillaire, from Latin armilla, bracelet, from armus, shoulder.(American Heritage® Dictionary of the English Language, Fourth Edition)