Search Result for "oligarch": 
Wordnet 3.0

NOUN (1)

1. one of the rulers in an oligarchy; 



The Collaborative International Dictionary of English v.0.48:

Oligarch \Ol`i*garch\, n.
   A member of an oligarchy; one of the rulers in an
   oligarchical government.
   [1913 Webster]


WordNet (r) 3.0 (2006):

oligarch
    n 1: one of the rulers in an oligarchy