'Zodiac' definitions:

Definition of 'zodiac'

(from WordNet)
noun
A belt-shaped region in the heavens on either side to the ecliptic; divided into 12 constellations or signs for astrological purposes
noun
(astrology) a circular diagram representing the 12 zodiacal constellations and showing their signs

Definition of 'Zodiac'

From: GCIDE
  • Zodiac \Zo"di*ac\, n. [F. zodiaque (cf. It. zodiaco), fr. L. zodiacus, Gr. ? (sc. ?), fr. ?, dim. of zw^,on an animal, akin to ? living, ? to live.] [1913 Webster]
  • 1. (Astron.) (a) An imaginary belt in the heavens, 16[deg] or 18[deg] 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. [1913 Webster]
  • 2. A girdle; a belt. [Poetic & R.] [1913 Webster]
  • By his side, As in a glistering zodiac, hung the sword. --Milton. [1913 Webster]

Synonyms of 'zodiac'

From: Moby Thesaurus

Words containing 'Zodiac'