1.Definition: existing in name only
"The nominal (or titular) head of his party"
2.Definition: of or associated with or bearing a title signifying nobility
3.Definition: of or bearing a title signifying status or function
"Of titular rank"
4.Definition: of or pertaining to the title of a work of art
"Performed well in the titular (or title) role", "The titular theme of the book"
5.Definition: of or relating to a legal title to something