a flesh-eating big cat of open or rocky areas of Africa and formerly southern Asia that has a tawny body with a tufted tail and in the male a shaggy blackish or dark brown mane: Panthera leo
a courageous or ferocious person
dated a person of interest or importance
literary lions
(the Lion) the constellation and sign of the zodiac Leo
[Middle English via Old French from Latin leon-, leo, from Greek leōn]