superboard       
noun [ C ]  business specialized (also super-board) uk/ˈsuː.pə.bɔːd/ us/ˈsuː.pɚ.bɔːrd/
 (尤指公共机构)超级董事会;超级理事会;超级委员会
a group of people who are responsible for controlling and organizing a group of companies or organizations, particularly public organizations such as universities or hospitals
  He tried to unify all of the boards in the area under one superboard. 他试图将该地区的所有委员会统一在一个超级委员会之下。 
 It is a kind of super-board for a number of different institutions.
 - More examples
 - The superboard is expected to be selected by the start of the summer.
 - There is a local board for each university and a superboard in charge of all education in the state.
 - The superboard deals with everything from town planning to electrical regulations.
 - The super-board has the authority to review budgets and building projects.