1. wether-male sheep especially a castrated one. genus Ovis, Ovis-sheep. sheep-woolly usually horned ruminant mammal related to the goat. bellwether-sheep that leads the herd often wearing a bell.ether. n. 1. (Animals) a male sheep, esp a castrated one.
â The notion of the zodiac is very ancient, with roots in the early cultures of Mesopotamia. The first 12-sign zodiacs were named after the gods of these cultures. The Greeks adopted astrology from the Babylonians, and the Romans, in turn, adopted astrology from the Greeks.his is usually taken to be symbolic of the 12 tribes of Israel. This notion of 12 tribes, however, is itself a symbolic reference to the 12 signs of the zodiac in Babylonian astrology, which the Jews adopted whilst in exile in Babylon.
For the East Asian zodiac based on the Jovian orbital cycle, see Chinese zodiac. For other uses, see zodiac (disambiguation). The Earth in its orbit around the Sun causes the Sun to appear on the celestial sphere moving over the ecliptic (red), which is tilted with respect to the equator (blue-white). The zodiac is the circle of twelve 30Â° divisions of celestial longitude employed by western astrology and (formerly) astronomy. The western zodiac is centered upon the ecliptic, the apparent path of the Sun across the celestial sphere over the course of the year.