1. zodiac sixth sign of zodiac: the sixth sign of the zodiac, represented by a virgin and lasting from approximately August 23 to September 22. Virgo is classified as an earth sign and its ruling planet is Mercury.
2. astrology somebody born under Virgo: somebody whose birthday falls between August 23 and September 22
3. astronomy constellation on celestial equator: a zodiacal constellation on the celestial equator. The Virgo cluster, which lies near the north galactic pole about 16 billion light-years from the Earth, contains about 3,000 galaxies.