Definitions of Libra:

• noun:   the seventh sign of the zodiac; the sun is in this sign from about September 23 to October 22
• noun:   a small faint zodiacal constellation in the southern hemisphere; between Virgo and Scorpius
• noun:   (astrology) a person who is born while the sun in in Libra
• name:  A surname (very rare: popularity rank in the U.S.: #55910)