| fifth lateran council | (n) the council in 1512-1517 that published disciplinary decrees and planned (but did not carry out) a crusade against Turkey |
| first lateran council | (n) 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' |
| fourth lateran council | (n) 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 |
| lateran council | (n) any of five general councils of the Western Catholic Church that were held in the Lateran Palace |
| second lateran council | (n) the second council of the Western Church in 1139 which put an end to the dogmatic errors of Arnold of Brescia |
| third lateran council | (n) the Lateran Council in 1179 that condemned the heresies of the Albigenses and the Waldenses |