Le·o 
(lēō)
(lēō)n.
1. A constellation in the Northern Hemisphere near Cancer and Virgo, containing the bright stars Regulus and Denebola.
2.
a. The fifth sign of the zodiac in astrology.
b. One who is born under this sign. In all senses also called Lion.
[Latin Leō, from leō, lion; see LION.]