Translate Aries | into French | into German | into Italian | into Spanish
Definition of Aries
- Astronomy the point on the celestial sphere where the path of the sun crosses the celestial equator from south to north in March, marking the zero point of right ascension. Owing to precession of the equinoxes, it has moved from Aries into Pisces, and is now approaching Aquarius. Also called vernal equinox.