superagency

plural superagencies

1. An agency with unusually far-reaching powers

   […] a plan to create a Brussels superagency that could intervene in domestic markets lacks natural consumer appeal and faces formidable industry opposition.

   2007 August 13, Kevin J. O’Brien, “Regulator in Europe Proposes a Superagency to Wield Power Over Its Phone Markets”, in New York Times

2. CaliforniaA cabinet-level agency within the executive branch, composed of several departments.

   The state health agency in California is called State Department of Health Services and is a component of a superagency, the California Health and Welfare Agency.

   2001, California Health Profile, Centers for Disease Control and Prevention, page xiv

   Synonyms: cabinet agency, cabinet department, cabinet