Congress, U.S. Congress, United States Congress, US Congress - the legislature of the United States government

U.S., U.S. government, United States government, US Government, United States - the executive and legislative and judicial branches of the federal government of the United States

Government Printing Office, GPO, United States Government Printing Office, US Government Printing Office - an agency of the legislative branch that provides printing and binding services for Congress and the departments and establishments of the federal government

branch, subdivision, arm - an administrative division of some larger or more complex organization; "a branch of Congress"