1. plu·toc·ra·cy (pl-tkr-s)
n. pl. plu·toc·ra·cies
1. Government by the wealthy.
2. A wealthy class that controls a government.
3. A government or state in which the wealthy rule.
: an oligopoly limited to two sellers
: preponderant influence or control by two political powers
— du·op·o·lis·tic \-ˌä-pə-ˈlis-tik\ adjective