castle
Fortified residence of a feudal lord, designed to protect against assailants.
lists 
Area of some size enclosed by a stockade and located around the castle.
bartizan 
A sentry box projecting from a wall used to survey the surrounding area.
stockade 
The castle’s first line of defense, made up of a row of pickets or boards.
parapet walk 
Passageway along a wall, making it possible to shoot and perform surveillance.
brattice 
Small box or machicolation projecting from the wall to reinforce its defense.
battlement 
Wall allowing defenders of the fortification to fire from a protected position.
keep 
Castle’s main tower, serving as a final stronghold in the event of attack.
barbican 
Freestanding defense with arrow slits used to defend the castle’s footbridge.
drawbridge 
Movable bridge that was lowered to allow people to cross the moat and raised to prevent access to the castle.
machicolation 
Balcony made of masonry with apertures in the floor through which projectiles were dropped on assailants.
bailey 
Uncovered space bordered by the castle’s buildings and curtain walls.
covered parapet walk 
Covered corridor constructed along a battlement and designed to allow the free movement of guards.
flanking tower 
Defense tower making it possible to fire a shot parallel to the curtain wall.
corner tower 
Circular tower allowing surveillance and defense in all directions.