zo·di·ac /ˈzodiˌæk/
十二宮圖,黃道帶
Zo·di·ac n.
1. Astron. (a) An imaginary belt in the heavens, 16° or 18° broad, in the middle of which is the ecliptic, or sun's path. It comprises the twelve constellations, which one constituted, and from which were named, the twelve signs of the zodiac. (b) A figure representing the signs, symbols, and constellations of the zodiac.
2. A girdle; a belt. [Poetic & R.]
By his side,
As in a glistering zodiac, hung the sword. --Milton.
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zodiac
n 1: a belt-shaped region in the heavens on either side to the
ecliptic; divided into 12 constellations or signs for
astrological purposes
2: (astrology) a circular diagram representing the 12 zodiacal
constellations and showing their signs