barbacan

listen to the pronunciation of barbacan
الإنجليزية - الإنجليزية
{n} an outward fortification, watchtower
An opening in the wall of a fortress, through which missiles were discharged upon an enemy
It was often large and strong, having a ditch and drawbridge of its own
A tower or advanced work defending the entrance to a castle or city, as at a gate or bridge