caesar

noun8

1. •
   a title given to the rulers of ancient Rome

   • Constantius Chlorus and Galerius became Caesares in 293; […] — 1889
2. •
   An emperor of Ancient Rome.
3. •
   An absolute ruler; an autocrat.
4. •
   Any emperor, ruler, or dictator.
5. •
   Abbreviation of Caesar salad.

   • A garlicky Caesar is a nice starter with whole Romaine leaves and crispy sourdough croutons, but most can’t resist the creamy, but very rich, signature lobster soup. — 2010
6. •
   (informal) Clipping of Caesarean section.
7. •
   (Canada) A Caesar cocktail.
8. •
   Any agaric mushroom of the genus Amanita, section Amanita sect. Caesareae.