Wörterbuch (en): Window bordering / Crossbar
de: 
Fenstereinfassung (f) / Kreuzstock (m) 
fr: 
Encadrement de fenêtre (m) / Bâton croisé
it: 
Cornice della finestra / Bastone a croce
es: 
Marco de la ventana (m) / Palo cruzado (m)
The division of a window into four individual windows, which were separated from each other by a stone cross during the Renaissance. / The bracing in the window frame that forms the window cross with the horizontal transom wood and the vertical post.


