'Lateran' definitions:

Definition of 'Lateran'

(from WordNet)
noun
The site in Rome containing the church of Rome and the Lateran Palace

Definition of 'Lateran'

From: GCIDE
  • 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. [1913 Webster]
  • 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. [1913 Webster]