pack ice From WikiWord, the free dictionary English Contents DefinitionsRelated wordsReferences DefinitionsnounA large consolidated mass of floating sea ice. Related wordsSynonymshummocky iceice packpackicepackfield icepatch icesailing-iceice fieldice floebrash iceicebergice capice-floatslob iceiceballstream icefloe References Wiktionary — pack ice Wikipedia — pack ice