Definitions:
(in ancient rome) a unit of weight, equivalent to 12 ounces (0.34 kg). it was the forerunner of the pound.

a small constellation (the scales or balance), said to represent the pair of scales which is the symbol of justice. it contains no bright stars.

the seventh sign of the zodiac, which the sun enters at the northern autumnal equinox (about 23 september).

a person born when the sun is in the sign of libra.

used with preceding greek letter or numeral to designate a star in the libra constellation