gerontocracy

from WordNet (r) 3.0 (2006)
gerontocracy
    n 1: a political system governed by old men
    
from The Collaborative International Dictionary of English v.0.48
Gerontocracy \Ger`on*toc"ra*cy\, n. [Gr. ?, ?, an old man + ? to
   rule.]
   Government by old men. [R.] --Gladstone.
   [1913 Webster]
    

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