The walls were arranged in an octagonal pattern, giving the impression of a tower or fortification of some sort. |
He had a real understanding of fortification, ballistics and shipping, and could discuss mathematics and astronomy on equal terms with experts. |
A ravelin is a V shaped fortification used to protect the entrance of a fort. |
It seems they are concerned that their fortification is being, in some way, reconned for further attack. |
The first fortification was the emplacement of anti-aircraft batteries and machine-guns for defense of the skies. |
World War I saw the evolution of a new fortification setup combining field strongholds with fortresses. |