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Leo

[lee-oh] /ˈli oʊ/
noun, genitive Leonis
[lee-oh-nis] /liˈoʊ nɪs/ (Show IPA),
for 1.
1.
Astronomy. the Lion, a zodiacal constellation between Virgo and Cancer, containing the bright star Regulus.
2.
Astrology.
  1. the fifth sign of the zodiac: the fixed fire sign.
  2. a person born under this sign, usually between July 23rd and August 22nd.
3.
a male given name: from a Greek word meaning “lion.”.
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for leos

Leo1

/ˈliːəʊ/
noun
1.
a name for a lion, used in children's tales, fables, etc
Word Origin
from Latin: lion

Leo2

/ˈliːəʊ/
noun (Latin genitive) Leonis (liːˈəʊnɪs)
1.
(astronomy) a zodiacal constellation in the N hemisphere, lying between Cancer and Virgo on the ecliptic, that contains the star Regulus and the radiant of the Leonid meteor shower
2.
(astrology)
  1. Also called the Lion. the fifth sign of the zodiac, symbol ♌, having a fixed fire classification and ruled by the sun. The sun is in this sign between about July 23 and Aug 22
  2. a person born during a period when the sun is in this sign
adjective
3.
(astrology) born under or characteristic of Leo
Also (for senses 2b, 3) Leonian (liːˈəʊnɪən)

LEO

abbreviation
1.
low earth orbit
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
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Word Origin and History for leos

Leo

zodiac constellation, late Old English, from Latin leo "lion" (see lion). Meaning "person born under the sign of Leo" is from 1894. Leonid "meteor which appears to radiate from Leo" is from 1868. The annual shower peaks Nov. 14.

Online Etymology Dictionary, © 2010 Douglas Harper
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leos in Science
Leo
  (lē'ō)   
A constellation in the Northern Hemisphere near Cancer and Virgo. Leo (the Lion) contains the bright star Regulus and is the fifth sign of the zodiac.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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Related Abbreviations for leos

LEO

  1. Leo
  2. low earth orbit
The American Heritage® Abbreviations Dictionary, Third Edition
Copyright © 2005 by Houghton Mifflin Company.
Published by Houghton Mifflin Company. All rights reserved.
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