Leo

Leo

[lee-oh]
noun, genitive Leonis [lee-oh-nis] , for 1.
1.
Astronomy. the Lion, a zodiacal constellation between virgo and Cancer, containing the bright star Regulus.
2.
Astrology.
a.
the fifth sign of the zodiac: the fixed fire sign. See illus. under zodiac.
b.
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

Leo I

[lee-oh; Italian le-aw]
noun
Saint ("Leo the Great") a.d. c390–461, Italian ecclesiastic: pope 440–461.

Leo II

noun
Saint, died a.d. 683, Sicilian ecclesiastic: pope 682–683.

Leo III

noun
1.
Saint, a.d. c750–816, Italian ecclesiastic: pope 795–816.
2.
(“the Isaurian” ), a.d. c680–741, Eastern Roman emperor 717–741.

Leo IV

noun
Saint, died a.d. 855, Italian ecclesiastic: pope 847–855.

Leo V

noun
flourished 10th century a.d, Italian ecclesiastic: pope 903.

Leo VI

noun
pope a.d. 928.

Leo VII

noun
died a.d. 939, Italian ecclesiastic: pope 936–939.

Leo VIII

noun
died a.d. 965, Italian ecclesiastic: pope 963–965.

Leo IX

noun
Saint (Bruno) 1002–54, German ecclesiastic: pope 1049–54.

Leo X

noun
(Giovanni de'Medici) 1475–1521, Italian ecclesiastic: pope 1513–21 (son of Lorenzo de'Medici).

Leo XI

noun
(Alessandro de'Medici) 1535–1605, Italian ecclesiastic: pope 1605.

Leo XII

noun
(Annibale Francesco della Genga) 1760–1829, Italian ecclesiastic: pope 1823–29.

Leo XIII

noun
(Giovanni Vincenzo Pecci) 1810–1903, Italian ecclesiastic: pope 1878–1903.
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Based on the Random House Dictionary, © Random House, Inc. 2014.
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Collins
World English Dictionary
Leo1 (ˈliːəʊ)
 
n
a name for a lion, used in children's tales, fables, etc
 
[from Latin: lion]

Leo2 (ˈliːəʊ, liːˈəʊnɪən)
 
n , Latin genitive Leonis
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
 a.  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
 b.  a person born during a period when the sun is in this sign
 
adj
3.  astrology born under or characteristic of Leo

LEO
 
abbreviation for
low earth orbit

Leo I (ˈliːəʊ)
 
n
Saint, known as Leo the Great. ?390--461 ad, pope (440--461). He extended the authority of the papacy in the West and persuaded Attila not to attack Rome (452). Feast day: Nov 10 or Feb 18

Leo III
 
n
1.  called the Isaurian. ?675--741 ad, Byzantine emperor (717--41): he checked Arab expansionism and began the policy of iconoclasm, which divided the empire for the next century
2.  Saint. ?750--816 ad, pope (795--816). He crowned Charlemagne emperor of the Romans (800). Feast day: June 12

Leo IX
 
n
Saint, original name Bruno of Egisheim. 1002--54, pope (1049--54): first of the great medieval reforming popes. Conflict with the Eastern Church led to the schism between Rome and Constantinople (1054). Feast day: April 19

Leo X
 
n
original name Giovanni de' Medici. 1475--1521, pope (1513--21): noted for his patronage of Renaissance art and learning; excommunicated Luther (1521)

Leo XIII
 
n
original name Gioacchino Pecci. 1810--1903, pope (1878--1903). His many important encyclicals include Rerum novarum (1891) on the need for Roman Catholics to take action on various social problems

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
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Etymonline
Word Origin & History

Leo
zodiac constellation, O.E., from L. 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 1876. The annual shower peaks Nov. 14.
Online Etymology Dictionary, © 2010 Douglas Harper
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American Heritage
Science Dictionary
Leo   (lē'ō)  Pronunciation Key 
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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FOLDOC
Computing Dictionary

LEO definition


Low Earth Orbit

Leo definition


1. A general-purpose systems language, syntactically like Pascal and Y, semantically like C.
["The Leo Programming Language", G. Townsend, CS TR 84-7, U Arizona 1984].
(1996-02-06)
2. A general data management environment which can show user-created relationships among any kind data. It can also be used as an outlining editor as it embeds the noweb and CWEB markup languages in an outline context.
Leo is written in pure Python using Tk/tcl and so runs on Windows, Linux and MacOS X. It isdistributed under the Python License.
(2006-07-12)
The Free On-line Dictionary of Computing, © Denis Howe 2010 http://foldoc.org
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American Heritage
Abbreviations & Acronyms
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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