<political philosophy, governance forms> literally, rule by the few. Both Plato and Aristotle assumed that the small group most likely to gain control over the governance of a city-state would be those with great wealth. Recommended Reading: Plato, The Republic, tr. by Desmond Lee (Viking, 1979) and Aristotle, Politics (Oxford, 1998).
[A Dictionary of Philosophical Terms and Names]
Try this search on OneLook / Google