noun a narrow vertical slit in a wall through which arrows or other missiles could be shot
Arrow loops were commonly used in medieval castles and fortresses as defensive openings for archers to shoot through.
An arrow loop is a narrow vertical slit in a fortification wall through which arrows or other projectiles can be shot at attackers.
Arrow loops played a crucial role in defending against sieges and attacks during battles in ancient and medieval times.
In historical fiction novels, the writer described the castle's defense mechanisms, including arrow loops.
The architect incorporated arrow loops into the design of the medieval-style castle for authenticity.
The historian studied the strategic placement of arrow loops in ancient fortresses.
The game developer included arrow loops as a feature in the castle defense game.
The tour guide explained the purpose of arrow loops to visitors during the castle tour.