A tower at the entrance to a castle or fortified town
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.
A fortress at the end of a bridge.
A temporary wooden tower built for defensive purposes.
A fortification consisting of a breast-high bulwark; a parapet.
A parapet.
Breast augmentation.
A railing on the quarter-deck and forecastle.