A moulding on e.g. muntins, frames, architraves, mullions and transoms.
The moulding can be made of various materials and have straight-edged or round forms. On windows usually in wood.
Two windows placed side by side with a shared arch at the top or placed in the same recess. Also called biforium.
One or multiple roof windows installed on the roof ridge like “ridge turrets”.
A joint, shaped like a dovetail, for fixing the corners of the frame together. One piece is cut in the shape of a wedge fitting into a groove of the same shape in the other.
A sharp, vertical edge with a groove pulled out from the façade leading water from above drip off. May be built into transom, bottom frame, sill and horizontal mouldings.
See sash window.