Fenestral a. : Pertaining to a window or to windows.

Fenestral a. : Of or pertaining to a fenestra.

Fenestral n. : A casement or window sash, closed with cloth or paper instead of glass.

Example:
Why is it that Minnesotans are unlikely to have curtains in their houses?

Taxonomy
Fenestral, TRYBA, pvc windows, sofia, facility, international expertise, windows and doors, business, European market, profile systems, benefited, elegant design, German, high quality, extrusion line, production capacity, renovation, friends and family.

Defination from the web:
... years international expertise in the PVC windows and doors business, Fenestral has built its success with the leader of the European ... Today, with a top production capacity of 120 windows per day, Fenestral is committed to make the renovation of your windows an experience to ...