- a large area of floating ice, usually occurring in polar seas, consisting of separate pieces that have become massed together
WordReference Random House Unabridged Dictionary of American English © 2026
pack′ ice′,
- Geographya large area of floating ice formed over a period of many years and consisting of pieces of ice driven together by wind, current, etc.
- 1840–50
Collins Concise English Dictionary © HarperCollins Publishers::
pack ice n
'pack ice' also found in these entries (note: many are not synonyms or translations):