Definitions of titular:

• adjective:   of or associated with or bearing a title signifying status or function

  Example: "Titular dignitaries"

• adjective:   derived from a title

  Example: "Performed well in the titular (or title) role"

• adjective:   of or associated with or bearing a title signifying nobility

  Example: "Of titular rank"

• adjective:   of or relating to a legal title to something

  Example: "Titulary rights"

• adjective:   being such in name only

  Example: "The nominal (or titular) head of his party"