Vignette

A small ornamental or decorative design, used on a title page or as a head- or tailpiece to a chapter or division of a book. Also, any illustration not enclosed in a border or squared off at the edges but shading away.

Danish: Vignet
Dutch: Vignet
French: Vignette
German: Vignette
Italian: Vignetta
Spanish: Viñeta
Swedish: Vignett, även vinjett