ex cathedra
adverb
[ ˌɛks kəˈθiːdrə ]
• with the full authority of office (especially that of the Pope, implying infallibility as defined in Roman Catholic doctrine).
• "for an encyclical to be infallible the Pope must speak ex cathedra"
ex cathedra
adjective
• issued with the full authority of office (especially that of the Pope, implying infallibility as defined in Roman Catholic doctrine).
• "ex cathedra statements"
Origin:
Latin, ‘from the (teacher's) chair’, from ex ‘from’ and cathedra ‘seat’ (see cathedral).
