The Vatican is the city state in Rome ruled by the Pope which is the centre of the Roman Catholic Church. You can also use the Vatican to refer to the Pope or his officials. The president had an audience with the Pope in the Vatican. the Vatican a) the large palace in Rome where the Pope (=head of the Roman Catholic Church) lives and works b) the government of the Pope (Vaticanus (in Rome)). Vatican City State of the Vatican City Vatican Council Second Vatican Museums and Galleries Vatican Palace
{i} palace and grounds in Rome belonging to the Pope, Vatican Palace; authority and government of the pope