Related Clues:
- Water blockers
- They may make lakes
- Castle encirclers
- Beavers' blockades
- Defensive perimeters
- River-blocking structures
- Defensive rings
- Beaver-made blockades
- Trenches around castles
- Watery rings
- Women entitled to dismiss English mothers
- Beavers' river blockers
- Venerable defensive devices
- Castle protections
- Beavers’ creations