What does aristocrat mean?
The definition of aristocrat
A*ris”to*crat, n.
Etym: [F. aristocrate. See Aristocracy.]

1 One of the aristocracy or people of rank in a community; one of a ruling class; a noble.
2 One who is overbearing in his temper or habits; a proud or haughty person. A born aristocrat, bred radical. Mrs. Browning.
3 One who favors an aristocracy as a form of government, or believes the aristocracy should govern. His whole family are accused of being aristocrats. Romilly.