Pronunciation: (u-ris'tu-krat", ar'u-stu-),[key] —n. 1. a member of an aristocracy, esp. a noble.
2. a person who has the tastes, manners, etc., characteristic of members of an aristocracy.
3. an advocate of an aristocratic form of government.
4. anything regarded as the best, most elegant, or most stylish of its kind: the aristocrat of California wines.