Related Clues:
- Water-filled trench around a castle
- Water-filled ditch around a castle
- A water-filled ditch around a castle
- Alone it's made, by the sound of it
- There's nothing in the rug to have water all round
- Advanced sandcastle feature
- Mail at the castle
- Wet circle
- Knightwear
- Medieval fortification
- Mail to a knight
- Armadillo's protection
- Battering-ram countermeasure
- Drawbridge necessitator
- A defensive all-rounder