罗马主教：天主教会中的一种职位，指罗马教区的主教，通常是指教皇，因为教皇是罗马教区的主教，同时也是天主教会的最高领袖。
教宗之教区则为全世界(拉丁文为orbis),惟教宗亦兼 罗马主教 ( Bishop of Rome ),故教宗耶诞节文告对象为Urbis et Orbis. 其中Urbis义为城市,即指罗马.
It was originally simply the Bishop of Rome.
一开始，教皇其实就是罗马主教。
The see of the pope is namely the bishop of Rome.
罗马教皇，即罗马的主教的教座。
The Bishop of Rome hath no jurisdiction in this realm of England.
罗马主教上帝没有管辖权在这一领域的英格兰。
"As you know, the duty of the conclave was to appoint a new Bishop of Rome, " he said.
CNN: Pope Francis, the pontiff of firsts, breaks with tradition
In applauding the plaque honoring John Paul, Francis also paid tribute to a pontiff who enthusiastically embraced his role as bishop of Rome.
In a light-hearted moment, he said his fellow cardinals had gone to the "ends of the Earth" to find a bishop of Rome.