- Ultrazodiacal Ul`tra*zo*di"a*cal, a. [Pref. ultra- + zodiacal.] (Astron.) Outside the zodiac; being in that part of the heavens that is more than eight degrees from the ecliptic; as, ultrazodiacal planets, that is, those planets which in part of their orbits go beyond the zodiac. [1913 Webster]
The Collaborative International Dictionary of English. 2000.