Merriam-Webster Online Dictionary
lion (noun)1.
a) a large heavily built social cat () of open or rocky areas chiefly of sub-Saharan Africa though once widely distributed throughout Africa and southern Asia that has a tawny body with a tufted tail and a shaggy blackish or dark brown mane in the male - Panthera leo
b) any of several large wildcats , especially - cougar
c) capitalized - leo
2.
a) a person felt to resemble a lion (as in courage or ferocity)
b) a person of outstanding interest or importance - a literary lion
3.
capitalized () a member of a major national and international service club
Merriam-Webster Online Thesaurus
lion (noun)a person of rank, power, or influence in a particular field
SYNONIMS:
baron, captain, czar ( tsar tzar), king, lion, lord, mogul, monarch, Napoleon, prince, tycoonRELATED WORDS:
big boy, big cheese, bigfoot, biggie, big gun, big shot, big wheel, bigwig, fat cat, figure, heavy, heavyweight, honcho, kahuna, main man, mover and shaker, nabob, nawab, notable, personage, pooh-bah ( poo-bah), supremo [], VIP; celebrity, personality, star, superstar; deity, demigod, godNEAR ANTONYMS:
half-pint, lightweight, small-timer; inferior, subordinate, underling; nobody, nothing, zero