[li.bra] n [ME, fr. L (gen. Librae), lit., scales, pound] 1 cap a: a southern zodiacal constellation between Virgo and Scorpio represented by a pair of scales b (1): the 7th sign of the zodiac in astrology (2): one born under the sign of Libra
2. a pl li.brae [L]: an ancient Roman unit of weight equal to 327.45 grams b [Sp & Pg, fr. L]: any of various Spanish, Portuguese, Colombian, or Venezuelan units of weight