n. | 1. | |
1. | (Astron.) 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. | |
2. | A girdle; a belt. |
Noun | 1. | zodiac - a belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes |
2. | zodiac - (astrology) a circular diagram representing the 12 zodiacal constellations and showing their signs |