A dicastery (; from δικαστήριον|dikastērion|law-court, from δικαστής, 'judge, juror') is the name of some departments of the Roman Curia.
Pastor bonus (1988) includes this definition:
Under the new structure of the Roman Curia created by Praedicate evangelium (effective since 5 June 2022), the former titles of Congregations and Pontifical Councils are replaced with the term Dicastery.