barbacan

1. n. See Barbican. Source: opted

2. n. 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. Source: opted

3. n. An opening in the wall of a fortress, through which missiles were discharged upon an enemy. Source: opted

4. n. a tower that is part of a defensive structure (such as a castle) Source: wordnet

5. See Barbican. 1. ( Fort.) 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. 2. An opening in the wall of a fortress, through which missiles were discharged upon an enemy. Source: webster

6. n a tower that is part of a defensive structure (such as a castle) Source: ecdict

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