plutocracy Meaning, Definition & Usage

  1. noun a political system governed by the wealthy people

WordNet

Plu*toc"ra*cy noun
Etymology
Gr. wealth + to be strong, to rule, fr. strength: cf. F. plutocratie.
Definitions
  1. A form of government in which the supreme power is lodged in the hands of the wealthy classes; government by the rich; also, a controlling or influential class of rich men.

Webster 1913