PRESIDIUM
presidium, praesidium
(noun) a permanent executive committee in socialist countries that has all the powers of some larger legislative body and that acts for it when it is not in session
Source: WordNet® 3.1
Etymology
Noun
presidium (plural presidia or presidiums)
A permanent executive committee, used primarily in Communist countries, with the power to act for a larger governing body when the latter is in recess. [1920]
Such an executive committee headed by the President of the Supreme Soviet.
Anagrams
• peridiums
Source: Wiktionary