Vignette

First attested in 1751. From French vignette, diminutive of vigne ("vine"), from Latin vÄ«nea, from vÄ«num ("wine"). Replaced earlier vinet.

Full definition of vignette

(plural vignettes)

(architecture) A running ornament consisting of leaves and tendrils, used in Gothic architecture.
(printing) A decorative design, originally representing vine branches or tendrils, at the head of a chapter, of a manuscript or printed book, or in a similar position.
(by extension) Any small borderless picture in a book, especially an engraving, photograph, or the like, which vanishes gradually at the edge.
(by extension) A short story that presents a scene or tableau, or paints a picture.
The small picture on a postage stamp.
(photography) The characteristic of a camera lens, either by deficiency in design or by mismatch of the lens with the film format, to produce an image smaller than the film's frame with a crudely focused border. Photographers may deliberately choose this characteristic for a special effect.

To make, as an engraving or a photograph, with a border or edge gradually fading away.