| Answer | Crossword Clue |
|---|---|
| REDAN | Kind of fortification |
| RAVELIN | Type of fortification |
| REDAN | Form of fortification |
| SIEGE | Encirclement of a fortification. |
| BASTION | Part of a fortification. |
| ESCARPS | Inner walls of fortification ditches |
| CAPONIERE | In fortification, part of a ravelin |
| ESCARP | Steep slope in front of a fortification |
