Related Clues:

• Big ice chunk
• Iceberg kin
• Polar bear's hangout
• Frozen chunk
• Threat to a liner
• Flat mass of sea ice
• Frozen piece of Arctic lake captured by enemy
• Arctic ice chunk
• Enemy crossing lake ice
• Ice chunk in the sea
• Polar ice sheet
• Glacial chunk
• Polar bear hangout
• Chunk of drift ice
• Ice to glide audibly