Leo

[ lee-oh ]
/ ˈli oʊ /

noun, genitive Le·o·nis [lee-oh-nis] /liˈoʊ nɪs/ for 1.

Astronomy. the Lion, a zodiacal constellation between Virgo and Cancer, containing the bright star Regulus.
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.
a male given name: from a Greek word meaning “lion.”

Definition for leo (2 of 14)

Leo I

[ lee-oh; Italian le-aw ]
/ ˈli oʊ; Italian ˈlɛ ɔ /

noun

Saint,Leo the Great, a.d. c390–461, Italian ecclesiastic: pope 440–461.

Definition for leo (3 of 14)

Leo II


noun

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

Definition for leo (4 of 14)

Leo III


noun

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

Definition for leo (5 of 14)

Leo IV


noun

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

Definition for leo (6 of 14)

Leo V


noun

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

Definition for leo (7 of 14)

Leo VI


noun

pope a.d. 928.

Definition for leo (8 of 14)

Leo VII


noun

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

Definition for leo (9 of 14)

Leo VIII


noun

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

Definition for leo (10 of 14)

Leo IX


noun

SaintBruno, 1002–54, German ecclesiastic: pope 1049–54.

Definition for leo (11 of 14)

Leo X


noun

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

Definition for leo (12 of 14)

Leo XI


noun

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

Definition for leo (13 of 14)

Leo XII


noun

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

Definition for leo (14 of 14)

Leo XIII


noun

Giovanni Vincenzo Pecci, 1810–1903, Italian ecclesiastic: pope 1878–1903.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for leo

British Dictionary definitions for leo (1 of 8)

Leo

1
/ (ˈliːəʊ) /

noun

a name for a lion, used in children's tales, fables, etc

Word Origin for Leo

from Latin: lion

British Dictionary definitions for leo (2 of 8)

Leo

2
/ (ˈliːəʊ) /

noun Latin genitive Leonis (liːˈəʊnɪs)

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
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

astrology born under or characteristic of Leo
Also (for senses 2b, 3): Leonian (liːˈəʊnɪən)

British Dictionary definitions for leo (3 of 8)

LEO


abbreviation for

low earth orbit

British Dictionary definitions for leo (4 of 8)

Leo I

/ (ˈliːəʊ) /

noun

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

British Dictionary definitions for leo (5 of 8)

Leo III


noun

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
Saint. ?750–816 ad, pope (795–816). He crowned Charlemagne emperor of the Romans (800). Feast day: June 12

British Dictionary definitions for leo (6 of 8)

Leo IX


noun

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

British Dictionary definitions for leo (7 of 8)

Leo XIII


noun

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

British Dictionary definitions for leo (8 of 8)

Leo X


noun

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

Science definitions for leo

Leo

[ lēō ]

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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.