If they were actual windows the word used was fenestresor fenestreles, no matter what shape they were.
You may be thinking of defensive arrow-slits, which are not technically windows.
The slit windows or archers' windows of medieval castles were also called loopholes.
Arrow loops were very narrow windows in the castle walls and buildings. They could be located just about anywhere. There is a link below to an article on arrow loops.
The castle is called Edinburgh Castle.
Castle loop holes are narrow vertical slits in the castle wall that allowed bowmen to shoot arrows at the enemy while making it difficult for the enemy to shoot into the castle.
King William defended his stone castle primarily through its robust architectural features, including thick walls, narrow windows, and high towers that provided strategic vantage points. The castle was often surrounded by a moat, which hindered enemy access and facilitated defense. Additionally, William utilized a garrison of soldiers stationed within the castle to repel invaders and maintain control over the surrounding territory. These elements combined to create a formidable stronghold against attacks.
The slit windows or archers' windows of medieval castles were also called loopholes.
Arrow loops were very narrow windows in the castle walls and buildings. They could be located just about anywhere. There is a link below to an article on arrow loops.
Gothic windows are commonly referred to as lancet windows. These windows are characterized by their narrow, pointed shape and are a key feature of Gothic architecture, known for their elegant and intricate designs.
The castle is called Scoatney Hall in the novel "I Capture the Castle" by Dodie Smith.
The castle is called Edinburgh Castle.
15 Windows
a lot
Castle Windows manufacturers and installs stock and custom windows, window treatments, window frames and sliding doors. They can custom fabricate windows and frames as well as update existing windows for weatherproofing and improved insulation.
Castle loop holes are narrow vertical slits in the castle wall that allowed bowmen to shoot arrows at the enemy while making it difficult for the enemy to shoot into the castle.
The things you call "windows" are actually arrow slits. They are just wide enough to fire a arrow through, but if you went inside the area where the windows are located in the wall you would find a recess for a man to use to aim, spot, and fire an arrow. The slits look fairly narrow from the outside, but they have a full view of the land below from all angles. This is very good for the defense of the castle.
This is because it is a narrow boat
A long narrow cut is called a slit.