Definition of libra
1
capitalized
a
: a southern zodiacal constellation between Virgo and Scorpio represented by a pair of scales
b(1)
: the seventh sign of the zodiac in astrology — see Signs of the Zodiac Table
(2)
: one born under the sign of Libra
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Merriam-Webster unabridged
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Time Traveler for libra
The first known use of libra was before the 12th century
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