Assertion: castle's gatehouse | /r/HasProperty | barbican
Facets:
Source sentences:
text: Under Thomas de Beauchamp, 11th Earl, the castle defences were significantly enhanced in 1330–60 on the north eastern side by the addition of a gatehouse, a barbican (a form of fortified gateway), and a tower on either side of the reconstructed wall, named Caesar's Tower and Guy's Tower.
text: When completed, diamond-shaped Aberystwyth Castle contained two twin-towered gatehouses, a barbican, four gateways, and several round towers placed along the curtain walls.