The term is used throughout the Muslim world to indicate a defensive fortress.

The defensive fortress crowning the village was built during th Al-Andalus period.

Ganghwa Island itself was a strong defensive fortress.

Which explains why they constructed this defensive fortress.

Blockhouses, which served as defensive fortresses, were erected by the British in 1900 and are still standing in the twenty first century.

In the 8th century it became a defensive fortress.

Because the castle was built as a residence and not a defensive fortress, its location on a small mountain was of little consequence.

Its significance as a defensive fortress and administrative centre varied throughout the ages according to the political situation.

Was it worth turning the White House into a defensive fortress?

Around 1050, it did not resemble a defensive fortress but a large agricultural domain.