Definitions

1. noun

the sovereign city-state and headquarters of the Catholic Church, located in Rome, Italy

“The Pope resides in the Vatican, a symbol of the Catholic faith.”

2. proper noun

the central government and administrative body of the Catholic Church

“The Vatican has been a key player in international diplomacy for centuries.”

3. adjective

relating to or associated with the Vatican or the Catholic Church

“Vatican-approved doctrine is followed by millions of Catholics worldwide.”