Usage examples for iceberg:

• A gust of fear had made the " friend" an iceberg "A Chair on The Boulevard" – Leonard Merrick

• Victor beamed; for Mr. Caddis had previously stood eminent as an iceberg of the Lakelands' party. "One of Our Conquerors, Complete" – George Meredith Last Updated: March 7, 2009

• A common seal lives in the sea, and when it does wriggle up on the beach of an iceberg there is nothing to hear, I suppose, or perhaps when it wants to listen it raises a flipper to its ear. "Concerning Animals and Other Matters" – E.H. Aitken, (AKA Edward Hamilton)

• Diamond was cool as an iceberg "Frank Merriwell's Races" – Burt L. Standish