from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A constellation in the region of the north celestial pole near Draco and Leo, containing the seven stars that form the Big Dipper. Also called Great Bear.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A large circumpolar constellation of the northern sky, said to resemble a bear. It includes the familiar asterism the Big Dipper and the stars Mizar, Dubhe, and Alkaid.
from the GNU version of the Collaborative International Dictionary of English
- n. the Great Bear, one of the most conspicuous of the northern constellations. It is situated near the pole, and contains the stars which form the Dipper, or Charles's Wain, two of which are the Pointers, or stars which point towards the North Star.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a constellation outside the zodiac that rotates around the North Star
Middle English, from Latin Ursa Māior : ursa, bear + māior, comparative of magnus, great.(American Heritage® Dictionary of the English Language, Fourth Edition)
From Latin ursa maior, the "greater bear" (Wiktionary)