from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Greek Mythology A nymph, beloved of Zeus and hated by Hera. Hera changed her into a bear, and Zeus then placed her in the sky as the constellation Ursa Major.
- n. One of the four brightest satellites of Jupiter and the eighth in distance from the planet. Originally sighted by Galileo, it is the largest planetary satellite.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. A nymph of Artemis.
- proper n. A moon of Jupiter.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. the second largest of Jupiter's satellites
Latin, from Greek Kallistō, perhaps from kallistos, superlative of kalos, beautiful.(American Heritage® Dictionary of the English Language, Fourth Edition)