There are certain variations on the use of the term `` cathedral '' ; for example , some pre-Reformation cathedrals in Scotland now within the Church of Scotland still retain the term cathedral , despite the Church 's Presbyterian polity which does not have bishops . There are certain variations on the use of the term `` cathedral '' ; for example , some pre-Reformation cathedrals in Scotland now within the Church of Scotland still retain the term cathedral , despite the Church 's Presbyterian polity that does not have bishops .