Search Result for "papal infallibility":
Wordnet 3.0

NOUN (1)

1. belief of the Roman Catholic Church that God protects the pope from error when he speaks about faith or morality;


The Collaborative International Dictionary of English v.0.48:

Infallibility \In*fal`li*bil"i*ty\, n. [Cf. F. infaillibilit['e].] The quality or state of being infallible, or exempt from error; inerrability. [1913 Webster] Infallibility is the highest perfection of the knowing faculty. --Tillotson. [1913 Webster] Papal infallibility (R. C. Ch.), the dogma that the pope can not, when acting in his official character of supreme pontiff, err in defining a doctrine of Christian faith or rule of morals, to be held by the church. This was decreed by the Ecumenical Council at the Vatican, July 18, 1870. [1913 Webster]
WordNet (r) 3.0 (2006):

papal infallibility n 1: belief of the Roman Catholic Church that God protects the pope from error when he speaks about faith or morality