Assertion: castle's tower | /r/HasProperty | donjon
Facets:
Source sentences:
text: The main contribution of Western architects to Crusader fortification was the residential tower (donjon), a hallmark of Western feudal society not known in the East prior to the Crusader period.
text: Where the castle includes a particularly strong tower (donjon), such as at Krak or Margat, it projects from the inner enceinte providing a sort of citadel - a castle within a castle within a castle.