noun \ˈlē-(ˌ)ō\

Definition of LEO

:  a northern constellation east of Cancer
a :  the fifth sign of the zodiac in astrology — see zodiac table
b :  one born under this sign
Le·o·nine \ˈlē-ə-ˌnīn\ adjective

Origin of LEO

Latin (genitive Leonis), literally, lion — more at lion
First Known Use: before 12th century


biographical name \ˈlē-(ˌ)ō\

Definition of LEO

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


noun    (Concise Encyclopedia)

(Latin: “Lion”) In astronomy, the constellation lying between Cancer and Virgo; in astrology, the fifth sign of the zodiac, governing approximately the period July 23–August 22. Its symbol, a lion, has been associated with the Nemean lion slain by Heracles. The Nemean lion was considered invulnerable because its skin was impervious to arrows, but Heracles battered it to death with a club. Zeus put the lion in the sky as a constellation.


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