libra

libra

1 [lahy-bruh, lee-]
noun, plural librae [lahy-bree, lee-brahy] .
the ancient Roman pound (containing 5053 grains or 327.4 grams).

Origin:
1350–1400; Middle English < Latin lībra

Dictionary.com Unabridged

libra

2 [lee-vrah] .
noun, plural libras [lee-vrahs] .
sol3 ( def 2 ).

Origin:
< Spanish < Latin lībra libra1

Libra

[lee-bruh, lahy-] .
noun, genitive Librae [lee-brahy, lahy-bree] , for 1.
1.
Astronomy. the Balance, a zodiacal constellation between virgo and Serpens.
2.
Astrology.
a.
the seventh sign of the zodiac: the cardinal air sign. See illus. under zodiac.
b.
Also, Libran. a person born under this sign, usually between September 23rd and October 22nd.

Origin:
1350–1400; Middle English < Latin lībra literally, pair of scales, libra1

Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
libra (ˈlaɪbrə)
 
n , pl -brae
an ancient Roman unit of weight corresponding to 1 pound, but equal to about 12 ounces
 
[C14: from Latin, literally: scales]

Libra (ˈliːbrə, ˈlɪbrən)
 
n , Latin genitive Librae
1.  astronomy a small faint zodiacal constellation in the S hemisphere, lying between Virgo and Scorpius on the ecliptic
2.  astrology
 a.  the Scales, Also called: 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
 b.  a person born under this sign
 
adj
3.  astrology born under or characteristic of Libra

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
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Etymonline
Word Origin & History

Libra
zodiac constellation, late 14c., from L. libra, lit. "pound, balance," from Mediterranean base *lithra- "a scale."
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
Libra   (lē'brə)  Pronunciation Key 
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 © 2002. Published by Houghton Mifflin. All rights reserved.
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Encyclopedia Britannica
Encyclopedia

libra

the basic Roman unit of weight; after 268 BC it was about 5,076 English grains or equal to 0.722 pounds avoirdupois (0.329 kg). This pound was brought to Britain and other provinces where it became the standard for weighing gold and silver and for use in all commercial transactions. The abbreviation lb for pound is derived from libra. One-twelfth of the libra, the Roman uncia, is the ancestor of the English ounce

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Encyclopedia Britannica, 2008. Encyclopedia Britannica Online.
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