- a large, usually tawny-yellow cat, Panthera leo, native to Africa and southern Asia, having a tufted tail and, in the male, a large mane.
- any of various related large wildcats, as the cougar.
- a man of great strength, courage, etc.
- a person of great importance, influence, charm, etc., who is much admired as a celebrity: a literary lion.
- the lion as the national emblem of Great Britain.
- the constellation or sign of Leo.
- a member of any one of the internationally affiliated service clubs (International Association of Lions Clubs ) founded in 1917 and dedicated to promoting responsible citizenship, sound government, and community, national, and international welfare.
- Numismatics.
- a silver, Anglo-Gallic denier, issued during the reign of Henry III, bearing the figure of a lion.
- a gold coin of Scotland, issued c1400–1589, bearing the figure of a lion.
- any of various other coins bearing the figure of a lion.
- hardhead2.
- an object of interest or note.
- to confront or attack someone, especially a powerful or feared person, in that person's own familiar surroundings.
- to tax the patience of or provoke a person, group, nation, or government, especially that of Great Britain.
- a large gregarious predatory feline mammal, Panthera leo, of open country in parts of Africa and India, having a tawny yellow coat and, in the male, a shaggy mane
- a conventionalized lion, the principal beast used as an emblem in heraldry. It has become the national emblem of Great Britain
- a courageous, strong, or bellicose person
- a celebrity or idol who attracts much publicity and a large following
- to approach a feared or influential person, esp in order to ask a favour
- the largest portion
- the constellation Leo, the fifth sign of the zodiac
