Fortifications, usually consisting of walls and small towers built in front of a gatehouse to provide additional protection to the gateway. Some barbicans were just towers or walls built at a right angle to the Gatehouse. An inner courtyard of a castle, sometimes called a Bailey.
Similarly one may ask, what is the purpose of a portcullis in a castle?
Portcullises fortified the entrances to many medieval castles, securely closing off the castle during time of attack or siege. Every portcullis was mounted in vertical grooves in the walls of the castle and could be raised or lowered quickly by means of chains or ropes attached to an internal winch.
What is a crenellations in a castle?
1. crenellation - a rampart built around the top of a castle with regular gaps for firing arrows or guns. battlement, crenelation. crenel, crenelle - a notch or open space between two merlons in a crenelated battlement. fortress, fort - a fortified defensive structure.
What is the rampart of a castle?
In fortification architecture, a rampart is a length of bank or wall forming part of the defensive boundary of a castle, hillfort, settlement or other fortified site. It is usually broad-topped and made of excavated earth or masonry or a combination of the two.