a standing executive committee in a communist country (共产主义国家的)常务委员会 ■(Presidium)the committee of this type in the former USSR, which functioned as the legislative authority when the Supreme Soviet was not sitting (苏联)最高苏维埃主席团
语源
1920s: from Russian prezidium, from Latin praesidium 'protection, garrison' (see preside)