The definition of a subheading is a title of a subdivision of something written.
An example of a subheading is a title over the information provided on a specific detail in an article.
- sub- + heading
- The quickest way to do this is first to click on the "browse themes" icon on the left side of the page, near the subheading of "Your Site."
- With nothing invested in the site already, it is a way for someone to point out where site navigation may be unclear, or if there is a typo in your subheading.