Leo

noun
\ˈlē-(ˌ)ō \

Definition of Leo 

(Entry 1 of 2)

1 : a northern constellation east of Cancer

2a : the fifth sign of the zodiac in astrology — see Signs of the Zodiac Table

b : one born under this sign

Leo

biographical name
\ˈlē-(ˌ)ō \

Definition of Leo (Entry 2 of 2)

name of 13 popes: especially I Saint died 461 (pope 440–61); III Saint died 816 (pope 795–816); XIII 1810–1903 (pope 1878–1903)

Keep scrolling for more

Other Words from Leo

Noun

Leonine \ˈlē-ə-ˌnīn \ adjective

Examples of Leo in a Sentence

Noun

Are you a Leo or a Virgo?

First Known Use of Leo

Noun

before the 12th century, in the meaning defined at sense 1

History and Etymology for Leo

Noun

Latin (genitive Leonis), literally, lion — more at lion

Keep scrolling for more

Learn More about Leo

Dictionary Entries near Leo

lentor

Lenz's law

Lenzites

Leo

Leodice

leodicid

Leodicidae

Statistics for Leo

Look-up Popularity

Time Traveler for Leo

The first known use of Leo was before the 12th century

See more words from the same century

Keep scrolling for more

More Definitions for Leo

Leo

noun

English Language Learners Definition of Leo

 (Entry 1 of 2)

: the fifth sign of the zodiac that comes between Cancer and Virgo and has a lion as its symbol

: a person born under the sign of Leo : a person born between July 23rd and August 22nd

Leo

noun

English Language Learners Definition of Leo (Entry 2 of 2)

: the fifth sign of the zodiac that comes between Cancer and Virgo and has a lion as its symbol

: a person born under the sign of Leo : a person born between July 23rd and August 22nd

Leo

noun
\ˈlē-ō \

Kids Definition of Leo

1 : a constellation between Cancer and Virgo imagined as a lion

2 : the fifth sign of the zodiac or a person born under this sign

Keep scrolling for more

More from Merriam-Webster on Leo

See words that rhyme with Leo

Spanish Central: Translation of Leo

Nglish: Translation of Leo for Spanish Speakers

Comments on Leo

What made you want to look up Leo? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to reject or criticize sharply

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Roman Mythology Quiz

  • the-triumph-of-venus-by-alessandro-magnasco
  • Boreal comes from the name of the ancient Greek god of which wind?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
Word Winder's CrossWinder

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!