Related Clues:
- Not happy, receiving note to secure part of defensive structure
- One at bridge with appropriate flood defence
- Ditch; earthwork
- Item used in building flood defences
- Decline to hold with second-rate means of defence
- Offa's - -
- Dick Van - - (films)
- Anti-flood ditch/wall
- Grab some grains first for use on cushion
- Grab some grains first to be used as flood protection
- Some weedy keck found on mound
- Potassium-bearing liquid that stains ditch
- Small and secure thing to use in a flood
- Son replaces front of portable accessory that checks tide
- Offa's barrier?