titular

adjective

• 1holding or constituting a purely formal position or title without any real authority:the queen is titular head of the Church of England a titular post
• (of a cleric) nominally appointed to serve a diocese, abbey, or other foundation no longer in existence, and typically in fact having authority in another capacity.

• 2relating to or denoted by a title:the work’s titular song

• 3denoting any of the parish churches in Rome to which cardinals are formally appointed: the priests of the titular churches