noun. A tower or other fortification on the approach to a castle or town, especially one at a gate or drawbridge.

noun. In medieval fortification, an outwork of a castle or fortified place.

noun. A loophole.

noun. A channel or scupper in a parapet for the discharge of water.

noun. A scansorial barbet of the family Capitonidæ and subfamily Pogonorhynchinæ, or the genus Pogonias in a broad sense. The barbicans are all African, like the barbions.

noun. A tower or advanced work defending the entrance to a castle or city, as at a gate or bridge. It was often large and strong, having a ditch and drawbridge of its own.

noun. An opening in the wall of a fortress, through which missiles were discharged upon an enemy.

noun. A tower at the entrance to a castle or fortified town

noun. A fortress at the end of a bridge.

noun. An opening in the wall of a fortress through which the guns are levelled; a narrow loophole through which arrows and other missiles may be shot.

noun. A temporary wooden tower built for defensive purposes.

noun. a tower that is part of a defensive structure (such as a castle)

"Within the barbican was another group of veteran invalids, one mounting guard at the portal, while the rest, wrapped in their tattered cloaks, slept on the stone benches."

barbacan  

tower  

Watergate  bailey  bartizan  canthus  dece  

abatis  advanced work  antenna tower  balistraria  bank