| Answer | Crossword Clue |
|---|---|
| FOSS | Fortification ditch. |
| FOSSE | Fortification ditch. |
| MOAT | Fortification ditch |
| scarps | The inner wall of a ditch in a fortification |
| fosse | moat or defensive ditch in a fortification, usually filled with water |
| fosses | moat or defensive ditch in a fortification, usually filled with water |
| foss | moat or defensive ditch in a fortification, usually filled with water |
| scarping | Provide (a ditch in a fortification) with a steep scarp and counterscarp |
