barbacan
noun
Meaning
A fortified outer defense structure, usually a tower or gatehouse, built to protect a castle's main entrance.
Examples
- The attackers were forced to retreat after being trapped within the narrow walls of the castle's barbacan.
- Historians believe the barbacan was added to the fortress during the late 13th century to improve defensive capabilities.
Synonyms: gatehouse, fortification, outwork, bastion