The mullioned window, together with the triple lancet window, is a large window, defined by a round or pointed arch; the interior of the space is divided by two small arches, supported by a central column, in some cases with a decorated facing and the insertion of the coats of arms.![](https://www.smarteducationunescosicilia.it/wp-content/uploads/2020/11/foto-234-colonnine-bifore-889x1024.png)