\ ˈlē-(ˌ)ō How to pronounce Leo (audio) \

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


biographical name
\ ˈlē-(ˌ)ō How to pronounce Leo (audio) \

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)

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Other Words from Leo


Leonine \ ˈlē-​ə-​ˌnīn How to pronounce Leonine (audio) \ adjective

Examples of Leo in a Sentence

Noun Are you a Leo or a Virgo?

First Known Use of Leo


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

History and Etymology for Leo


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

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Time Traveler for Leo

Time Traveler

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

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Cite this Entry

“Leo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Leo. Accessed 7 Jun. 2020.

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More Definitions for Leo


How to pronounce Leo (audio)

English Language Learners Definition of Leo

: 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


\ ˈlē-ō How to pronounce Leo (audio) \

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

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More from Merriam-Webster on Leo

Rhyming Dictionary: Words that rhyme with Leo

Spanish Central: Translation of Leo

Nglish: Translation of Leo for Spanish Speakers

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