1. large masses of ice floating in the ocean, typically broken off from glaciers

Examples

• The ship’s captain carefully navigated around the massive icebergs.
• Most of an iceberg’s mass remains hidden beneath the water’s surface.
• Climate change is causing more icebergs to break off from Antarctic glaciers.
• The Titanic sank after colliding with an iceberg in 1912.
• Scientists study icebergs to understand ocean currents and climate patterns.
• Polar bears sometimes hunt seals near floating icebergs.
• The expedition photographed several towering icebergs during their Arctic voyage.