Cathedrals are named after the ''cathedra'', which in Catholic, Orthodox and Anglican cathedrals is the bishop's throne and seat of authority. In Catholicism, official decrees and laws promulgated by a bishop are said to come ''ex cathedra''. | Cathedrals are named after the ''cathedra'', which in Catholic, Orthodox and Anglican cathedrals is the bishop's throne and seat of authority. In Catholicism, official decrees and laws promulgated by a bishop are said to come ''ex cathedra''. |