From Longman Dictionary of Contemporary Englishicebergice‧berg /ˈaɪsbɜːɡ $ -bɜːrɡ/ ●○○ noun [countable] DNa very large mass of ice floating in the sea, most of which is under the surface of the water → the tip of the iceberg at tip1(4)
Examples from the Corpus
iceberg• Unless these matters are faced, there is a hidden iceberg which threatens the good ship cooperation.• So mounds of snow never shrink, they turn into icebergs.• For those accustomed to the blandness of iceberg, mesclun is a riot of colors, textures, shapes and flavors.• But the irregular payments for which Stan Flashman's club were punished may only be the tip of the iceberg.• Despite these praiseworthy efforts, only the tip of the iceberg has been noticeably affected.• However, revolutionary technological innovation represents only the tip of the iceberg.Origin iceberg (1700-1800) Danish Norwegian isberg “ice-mountain” 