libra

noun

1. (historical)A Roman unit of mass, usually equivalent to 327 g.
2. (historical)A traditional Spanish unit of mass, usually around 460 g.
3. (historical)A traditional Portuguese unit of mass, usually equivalent to 345 g and particularly used for trade in medicines.
4. (historical)Synonym of arratel, a separate Portuguese unit of mass, usually around 460 g.
5. (alt-of, alternative, historical)Alternative spelling of libbra, a traditional Italian unit of mass.
6. (historical)Synonym of pound, a notional pound of silver as a money of account, especially in medieval contexts.
7. Someone with a Libra star sign.

name

1. A constellation of the zodiac, traditionally figured in the shape of a set of weighing scales, though earlier figured as the claws of Scorpio.
2. The astrological sign for the Scales, ruled by Venus and covering September 24 - October 23 (tropical astrology) or October 16 - November 16 (sidereal astrology).