noun
also pol·i·tbu·reau ˈpälə̇tˌbyu̇(ˌ)rō ˈpōl- also pəˈlit- or pəˈlēt-
( -s )
Etymology: politburo from Russian politbyuro, from politicheskoe byuro political bureau; politbureau part translation of Russian politbyuro
1. : the principal policy-making and executive committee of a Communist party
member of the Chinese politburo
replacement of the Russian politburo by a presidium
— compare presidium
2. : an organized group held to resemble a Communist politburo in having a controlling position and absolute power