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zodiacs - 3 dictionary results

zo⋅di⋅ac

[zoh-dee-ak]
–noun
1. an imaginary belt of the heavens, extending about 8° on each side of the ecliptic, within which are the apparent paths of the sun, moon, and principal planets. It contains twelve constellations and hence twelve divisions called signs of the zodiac. Each division, however, because of the precession of the equinoxes, now contains the constellation west of the one from which it took its name. Compare sign of the zodiac.
2. a circular or elliptical diagram representing this belt, and usually containing pictures of the animals, human figures, etc., that are associated with the constellations and signs.
3. a circuit or round.

Origin:
1350–1400; ME zodiaque < L zōdiacus < Gk zōidiakòs (kýklos) signal (circle), equiv. to zidi(on) animal sign ((ion) animal + -idion dim. suffix) + -akos -ac


zo⋅di⋅a⋅cal [zoh-dahy-uh-kuhl] , adjective
zo·di·ac   (zō'dē-āk')   
n.  
    1. Astronomy A band of the celestial sphere extending about 8° to either side of the ecliptic that represents the path of the principal planets, the moon, and the sun.
    2. In astrology, this band divided into 12 equal parts called signs, each 30° wide, bearing the name of a constellation for which it was originally named but with which it no longer coincides owing to the precession of the equinoxes.
    3. A diagram or figure representing the zodiac.
  1. A complete circuit; a circle.

[Middle English, from Old French zodiaque, from Latin zōdiacus, from Greek zōidiakos (kuklos), (circle) of the zodiac, from zōidion, small represented figure, zodiacal sign, diminutive of zōion, living being; see zoon1.]
zo·di'a·cal (-dī'ə-kəl) adj.
zodiac   (zō'dē-āk')  Pronunciation Key 
A band of the celestial sphere extending about eight degrees north and south of the ecliptic, representing the portion of the sky within which the paths of the Sun, the Moon, and the planets are found. In astrology, the zodiac is divided into 12 equal segments, each of which is named after a constellation through which the ecliptic passes in that region of the sky. The traditional beginning point of constellations is Aries, followed in calendrical order by Taurus, Gemini, Cancer, Leo, Virgo, Libra, Scorpius, Sagittarius, Capricorn, Aquarius, and Pisces. See also equinox.
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