li·​bra | \ for senses 1 & 2a ˈlē-brə How to pronounce libra (audio) , sometimes ˈlī-brə, for sense 2b ˈlē-brə or ˈlēv-rə How to pronounce libra (audio) \

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
2a plural librae\ ˈlī-​ˌbrē How to pronounce libra (audio) , ˈlē-​ˌbrī \ [Latin] : an ancient Roman unit of weight equal to 327.45 grams
b [Spanish & Portuguese, from Latin] : any of various Spanish, Portuguese, Colombian, or Venezuelan units of weight

First Known Use of libra

before the 12th century, in the meaning defined at sense 1a

History and Etymology for libra

Middle English, from Latin (genitive Librae), literally, scales, pound

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The first known use of libra was before the 12th century

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Cite this Entry

“Libra.” Dictionary, Merriam-Webster, Accessed 7 Mar. 2021.

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Li·​bra | \ ˈlē-brə, ˈlī- \

Kids Definition of Libra

1 : a constellation between Virgo and Scorpio imagined as a pair of scales
2 : the seventh sign of the zodiac or a person born under this sign

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More from Merriam-Webster on libra

Nglish: Translation of libra for Spanish Speakers

Britannica English: Translation of libra for Arabic Speakers Encyclopedia article about libra

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