Definition

1. Noun:
   • A large mass of ice floating in the sea: An iceberg is a huge piece of freshwater ice that has broken off (calved) from a glacier or ice shelf and is floating freely in open water. Only a small portion of its total mass is visible above the water's surface.
   • A variety of lettuce: Iceberg is also the name for a common type of lettuce with a firm, round head of crisp, pale green leaves.

Examples

• Noun (Floating Ice Mass):
  • The ship altered its course to avoid the massive iceberg.
  • Scientists study icebergs to understand climate change.
• Noun (Lettuce):
  • She made a salad with fresh iceberg, tomatoes, and cucumbers.
  • Iceberg lettuce is known for its crunchy texture.

Advanced Usage

• "The tip of the iceberg": A small, visible part of a much larger, hidden problem or situation.
  • The complaints we've received are just the tip of the iceberg; there are many more unhappy customers.

Variants and Related Words

• Iceberg lettuce (n): The full name for the lettuce variety.
  • The recipe specifically calls for iceberg lettuce.
• Growler (n): A small, low-lying iceberg, often transparent and hazardous to ships.
• Bergy bit (n): A medium-sized piece of floating ice, smaller than an iceberg.

Synonyms

• Floating ice mass: Floe, ice floe, berg.
• Lettuce: Crisphead lettuce (specifically for the vegetable).

Related Phrases

• To iceberg (verb, rare/technical): To form into an iceberg or behave like one (e.g., a glacier calving).
  • The glacier is expected to iceberg several large chunks this season.

Noun

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