Pronunciation: (pri-sid'ē-um), [key]
—pl. -sid•i•ums, -sid•i•aPronunciation: (-sid'ē-u). [key] (often cap.)
(in the Soviet Union and other Communist countries) an administrative committee, usually permanent and governmental, acting when its parent body is in recess but exercising full powers: the presidium of the Supreme Soviet.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.