Related Clues:
- Arctic Ocean floater
- Unsinkable ice sheet
- A field of floating ice
- A large lump of floating ice
- Mass of floating ice
- A floating lump of ice
- Sheet of floating ice
- Floating flat mass of ice
- Sounds like a glacier, and that's flat
- Sounds like a glacier
- It sounds like a glacier, perhaps
- The sound of the glacier is only a sheet
- 'Glacier? (3,4)'
- Polar hazard
- Producer of a chilling effect