Department of Justice, DoJ, Justice Department, Justice - the United States federal department responsible for enforcing federal laws (including the enforcement of all civil rights legislation); created in 1870

bureau, federal agency, government agency, agency, office, authority - an administrative unit of government; "the Central Intelligence Agency"; "the Census Bureau"; "Office of Management and Budget"; "Tennessee Valley Authority"

jurisprudence, law - the collection of rules imposed by authority; "civilization presupposes respect for the law"; "the great problem for jurisprudence to allow freedom while enforcing order"