oligarchy/ˈɔlɪgɑ:kɪ; `ɑlɪˌɡɑrkɪ/ n(politics 政)1(a) [U] form of government in which a small group of people hold all the power 寡头政治; 寡头统治.(b) [C] these people as a group 寡头统治集团.2 [C] country governed by an oligarchy 寡头统治的国家.
牛津英汉双解词典