from The American Heritage® Dictionary of the English Language, 4th Edition
- n. Greek Mythology The earliest supreme god, a personification of the sky, who was the son and consort of Gaea and the father of the Cyclopes and Titans.
- n. The seventh planet from the sun, revolving about it every 84.01 years at a mean distance of approximately 2.9 billion kilometers (1.8 billion miles), having a mean equatorial diameter of 51,118 kilometers (31,764 miles) and a mass 14.6 times that of Earth.
from Wiktionary, Creative Commons Attribution/Share-Alike License
- proper n. The god of the sky and heavens, son and husband to Gaia, with whom he fathered the Titans and the Cyclops
- proper n. The seventh planet in our solar system, with twenty-seven known moons, discovered in 1781 by Sir William Herschel.
from the GNU version of the Collaborative International Dictionary of English
- n. The son or husband of Gaia (Earth), and father of Chronos (Time) and the Titans.
- n. One of the primary planets. It is about 1,800,000,000 miles from the sun, about 36,000 miles in diameter, and its period of revolution round the sun is nearly 84 of our years.
from The Century Dictionary and Cyclopedia
- n. In classical mythology, the son of Ge or Gaia (the Earth), and by her the father of the Titans, Cyclopes, etc.
- n. In astronomy, the outermost but one of the planets, appearing to the naked eye as a faint star.
- n. that of the earth; its density is therefore about 1.4, being a little more than that of Jupiter. It is about 19.2 times as far from the sun as the earth is; and its period of revolution is about eighty-four years and one week. It has four satellites—Ariel, Umbriel, Titania, and Oberou—of which the first two are extremely difficult telescopic objects. They revolve in one plane nearly perpendicular to that of the orbit of the planet.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. (Greek mythology) god of the heavens; son and husband of Gaea and father of the Titans in ancient mythology
- n. a giant planet with a ring of ice particles; the 7th planet from the sun has a blue-green color and many satellites
Late Latin Ūranus, from Greek ouranos, heaven, Uranus.(American Heritage® Dictionary of the English Language, Fourth Edition)
Ancient Greek Οὐρανός (Ouranos), from οὐρανός (ouranos, "sky, heaven") (Wiktionary)