[ lahy-bruh, lee- ]
/ ˈlaɪ brə, ˈli- /

noun, plural li·brae [lahy-bree, lee-brahy] /ˈlaɪ bri, ˈli braɪ/.

the ancient Roman pound (containing 5053 grains or 327.4 grams).

Origin of libra

1350–1400; Middle English < Latin lībra

Definition for libra (2 of 3)


[ lee-vrah ]
/ ˈli vrɑ /

noun, plural li·bras [lee-vrahs] /ˈli vrɑs/.

Origin of libra

< Spanish < Latin lībra libra1

Definition for libra (3 of 3)


[ lee-bruh, lahy- ]
/ ˈli brə, ˈlaɪ- /

noun, genitive Li·brae [lee-brahy, lahy-bree] /ˈli braɪ, ˈlaɪ bri/ for 1.

Astronomy. the Balance, a zodiacal constellation between Virgo and Serpens.
  1. the seventh sign of the zodiac: the cardinal air sign.
  2. Also Li·bran. a person born under this sign, usually between September 23rd and October 22nd.

Origin of Libra

1350–1400; Middle English < Latin lībra literally, pair of scales, libra1 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for libra

British Dictionary definitions for libra (1 of 2)


/ (ˈlaɪbrə) /

noun plural -brae (-briː)

an ancient Roman unit of weight corresponding to 1 pound, but equal to about 12 ounces

Word Origin for libra

C14: from Latin, literally: scales

British Dictionary definitions for libra (2 of 2)


/ (ˈliːbrə) /

noun Latin genitive Librae (ˈliːbriː)

astronomy a small faint zodiacal constellation in the S hemisphere, lying between Virgo and Scorpius on the ecliptic
  1. Also called: the Scales, the Balance the seventh sign of the zodiac, symbol ♎, having a cardinal air classification and ruled by the planet Venus. The sun is in this sign between about Sept 23 and Oct 22
  2. a person born under this sign


astrology born under or characteristic of Libra
Also (for senses 2b, 3): Libran (ˈlɪbrən)
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for libra



zodiac constellation, late Old English, from Latin libra, literally "pound, balance," from Mediterranean base *lithra- "a scale." Nativized in Old Norse as skala-merki.

Online Etymology Dictionary, © 2010 Douglas Harper

Science definitions for libra


[ lēbrə ]

A constellation in the Southern Hemisphere near Scorpius and Virgo. Libra (the Scales or Balance) is the seventh sign of the zodiac.
The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.