There’s a name for this, and I even found a web site that helps you create such things for web sites, but I can’t find or remember either. The element is on both sides of “Season 2014” on this web site:
Answer
If you ask someone in the publishing world what they are called they will point you to what’s called a “Chapter Ornament” or a “Book Ornament”. If you want to get further technical on the design process, book designers will refer to them if they are at the beginning of a chapter as a “Chapter Heading Ornament” or at the end of the chapter as a “End of Chapter Ornament”.
Some fonts do have ornaments within them and if you reference “BOOK ORNAMENT” by David Moratto he has a good write up on it:
DO BOOK ORNAMENTS PLAY AN IMPORTANT PART IN BOOK DESIGN?
Book ornaments can be described as a book designer tool to
further connect a book’s body composition together and enhance the
reading experience for the reader. An ornament shouldn’t distract from
the content, but rather be an influential silent partner in the
background and when noticed should be pleasant to look at. Ornaments
can also provide a characteristic feel to a book. Ornaments are very
specific and embellish the book’s meaning. A floral ornament would
enhance a gardening book but would be a distraction in a book about
icebergs.
At the bottom of the article he does address some examples of fonts that do have a selection of ornaments, my particular favorites:
Attribution
Source : Link , Question Author : Rob , Answer Author : DᴀʀᴛʜVᴀᴅᴇʀ