noun
Roman Catholicism : the dogma decreed at the Vatican Council, July 18, 1870, that the pope cannot when speaking in his official character of supreme pontiff err in defining a doctrine of Christian faith or rule of morals
noun
Roman Catholicism : the dogma decreed at the Vatican Council, July 18, 1870, that the pope cannot when speaking in his official character of supreme pontiff err in defining a doctrine of Christian faith or rule of morals
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012