1. A large mass of ice floating at sea; usually broken off of a polar glacier
   - berg 
2. Lettuce with crisp tightly packed light-green leaves in a firm head
   "iceberg is still the most popular lettuce"
   - crisphead lettuce, iceberg lettuce

Derived forms: icebergs

Type of: floater, ice mass, lettuce

Part of: head lettuce, Lactuca sativa capitata

Encyclopedia: Iceberg

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