Noun | 1. | Lateran Council - any of five general councils of the Western Catholic Church that were held in the Lateran Palace council - (Christianity) an assembly of theologians and bishops and other representatives of different churches or dioceses that is convened to regulate matters of discipline or doctrine First Lateran Council - the first council of the Western Church held in the Lateran Palace in 1123; focused on church discipline and made plans to recover the Holy Lands from the Muslim `infidels' Second Lateran Council - the second council of the Western Church in 1139 which put an end to the dogmatic errors of Arnold of Brescia Third Lateran Council - the Lateran Council in 1179 that condemned the heresies of the Albigenses and the Waldenses Fourth Lateran Council - the Lateran Council in 1215 was the most important council of the Middle Ages; issued a creed against Albigensianism, published reformatory decrees, promulgated the doctrine of transubstantiation, and clarified church doctrine on the Trinity and Incarnation Fifth Lateran Council - the council in 1512-1517 that published disciplinary decrees and planned (but did not carry out) a crusade against Turkey |