Arrow slits
Found in medieval buildings, these narrow openings are often in a cross shape, enabling archers to fire arrows in a number of directions whilst being protected.
SLITS: Narrow opening in a wall through which defenders can fire arrows at attackers.
SOLAR: Upper living room of medieval house or cattle, often over the hall.
WALL WALK: A passage along the castle wall.
Arrow slits in the walls of medieval fortifications, but more strictly applied to the round hole or circle with which the openings terminate.
Cross and orb: Modified cross slits to accommodate gunnery. Cross section: A diagram showing a building as if it had been cut at right angles to the ground plan. Crossing: Area of a church where the at nave, choir, and transept intersect.
The windows of the Early English period were comparatively narrow slits, and were sometimes grouped together under a single enclosing arch; the piercing of the tympanum of this arch with a circular light produced what is known as plate tracery, ...
Each gateway consists of an arched opening flanked by two huge semi-circular bastion towers with battered walls, arrow slits and pointed crenellations.
Cross-and-orb - Modified cross slits to accommodate gunnery.
Crosswall - Interior dividing wall; structural.
Crownwork - Freestanding bastioned fortification in front of main defenses.
Less prominent, but very common lighting and ventilation solutions included cutting angled slits or square holes into a temple's roof slabs, allowing daylight to enter through these small gaps.
oillet a loophole, the rounded area at the head of an arrow slits in the walls of medieval fortifications; also applied to the small eyelets inserted into tracery ornament, sometimes varied as trefoils or quatrefoils.
Quinaincial disposed arrow slits: Arrows slits placed in a pattern of five to avoid weakening the masonry and to increase the field of fire. See staggered arrow loops.
R.
As the towers rise, the number and size of openings increases as can be seen on the right tower of the transept of Tournai Cathedral where two narrow slits in the fourth level from the top becomes a single window, then two windows, ...
Cross-and-orb - modified cross slits to accommodate gunnery.
Crossbow - weapon with a bow arranged at a right-angle to a wooden stock; it was used to fire metal bolts
Crosswall - interior dividing wall; structural.
 See also: Architecture, Arches, Tower, House, Roman
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