資料來源 : pyDict

寡頭政治執政者

資料來源 : Webster's Revised Unabridged Dictionary (1913)

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

資料來源 : WordNet®

oligarch
     n : one of the rulers in an oligarchy