Definition of "encyclical letter" []

• A letter from the pope sent to all Roman Catholic bishops throughout the world (noun)

WordNet. Princeton University. 2010.

• "In 1863, at the time of the Polish insurrection, the Raskolnik archbishop and his lay advisors sent out an encyclical letter to the"
• "Virgin Mary, five decades of the Rosary and the Litany of Loreto are to be recited, in the morning during Mass or in the afternoon whilst the Blessed Sacrament is exposed, and by the encyclical letter of 15"
• "The Greek encyclical letter of Lucian was translated into Latin by Avitus and sent to Braga with another for the bishop, Balconius, his clergy, and people, together with a relic of St. Stephen."