Diagonal frame of window or door, used in walls of considerable thickness, both inside and outside.Splays allows for better illumination of the interior or widening of the passage.Also used in arrowslits in defensive structures to increase firing range.Splays are characteristic of medieval architecture.
romanesque window in the form of embrasure in the church in Belapatfalva, Hungary, photo by J.Michalew
embrasure arrowslit at Cahir Castle, Ireland
gothic window in St. John’s cathedral in the form of embrasure, Wrocław, Poland, photo by J.Michalew
gothic window in the church of St. Peter and Paul in the form of shallow embrasure, Wrocław, Poland, photo. J.Michalew
