noun

• An ancient Roman family name, notably that of Julius Caesar.
• (figuratively) The government; society; earthly powers.
• A title of Roman emperors.
• An absolute ruler; an autocrat.
• (Canada) A Caesar cocktail.
• emperor, ruler, dictator
• Any agaric mushroom of the genus Amanita, section Amanita sect. Caesareae.
• Abbreviation of Caesar salad. [(cooking, countable and uncountable) A type of salad, generally made from romaine lettuce, croutons, parmesan cheese, coddled or hard-boiled eggs, fresh-ground black pepper and Worcestershire sauce.]
• (medicine, colloquial) Short for Caesarean section. [Delivery of a baby through an incision in the womb.]
• Alternative form of Caesar [An ancient Roman family name, notably that of Julius Caesar.]