Definitions

1. noun

A fortified tower or gatehouse, typically at the entrance of a castle or town, often serving as a last line of defense.

“The medieval castle’s barbican stood guard over the moat, protecting the inner keep from invaders.”

2. noun

A large stone or brick building, often at the entrance of a city or town, that serves as a gateway or entrance.

“The historic city’s barbican was a prominent landmark, marking the entrance to the old town center.”