Definition of: aristocracy

(ar′is·tok′rə·sē) noun plural ·cies
1. A hereditary nobility or privileged class, preeminent by birth or privilege and having prescriptive rank and rights.
2. The chief persons of a country; hence, any group preeminent in any way, as by virtue of wealth, talent, etc.
3. A state ruled by its best citizens.
4. The ruling class in such a state. [ < L aristocratia < Gk. aristokratia < aristos best + krateein rule]