Vir"go (?), n. [L. virgo a virgin, the constellation Virgo in the zodiac. See Virgin.] Astron. (a)
A sign of the zodiac which the sun enters about the 21st of August, marked thus [ (b)
A constellation of the zodiac, now occupying chiefly the sign Libra, and containing the bright star Spica.
© Webster 1913.