Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun iceberg

2 senses of iceberg

Sense 1
iceberg, berg -- (a large mass of ice floating at sea; usually broken off of a polar glacier)
       => ice mass -- (a large mass of ice)
       => floater -- (an object that floats or is capable of floating)

Sense 2
crisphead lettuce, iceberg lettuce, iceberg -- (lettuce with crisp tightly packed light-green leaves in a firm head; "iceberg is still the most popular lettuce")
       => lettuce -- (leaves of any of various plants of Lactuca sativa)