titular

Concise Oxford English Dictionary © 2008 Oxford University Press:
titular /ˈtɪtjʊlə/

▶adjective

• 1 relating to a title.

• 2 holding or constituting a formal position or title without any real authority.

  ■ (of a cleric) nominally appointed to serve a diocese, abbey, etc. no longer in existence (typically having real authority elsewhere).

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

– derivatives
titularly adverb.