ger|on|toc|ra|cy «JEHR on TOK ruh see», noun, plural -cies.
1. government by old men: »
We are in danger of engendering both a gerontocracy and a plutocracy (William Ewart Gladstone).
2. a governing body consisting of old men.
╂[< Greek gérōn, -ontos old man + -kratíā government]
Useful english dictionary. 2012.