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Lateran
Lateran Lat"er*an, n.
The church and palace of St. John Lateran, the church being
the cathedral church of Rome, and the highest in rank of all
churches in the Catholic world.
Note: The name is said to have been derived from that of the
Laterani family, who possessed a palace on or near the
spot where the church now stands. In this church
several ecclesiastical councils, hence called Lateran
councils, have been held.
Meaning of Lateran from wikipedia