Related Clues:
- Waterway around a castle
- Castle's watery surrounding
- Defense for a castle
- Castle's waterway
- Protective waterway around a castle
- Means of protection against invasion
- Water around castle
- Ditch dug to protect a castle
- -- Way, Roman road from Lincoln to Exeter
- Watery defense, perhaps
- Ditch used in Alamo attack
- Water around a 45 Down
- Watery ditch
- A drawbridge might span one
- Castle's circler