Muntin

(Also cross windows, or stone cross windows ) The Gothic Cross Stock window has been known since the 14th century. It is characterized by the breakdown of the window area into four individual windows that can be opened independently. The mullioned windows were originally made ​​of stone (stone cross windows ); only in the Baroque, the wooden cross Stock windows developed.

When arranged centrally wooden cross, four equal-sized single window arise; This division is called the center cross floor window. Because of the now equally used in addition to the straight arch window lintels of the cross Stock window, the upper windows could also be smaller than the lower ones.