Definitions

pack ice

NOUN

floating ice

Synonyms

WEAK

bay ice berg ice field ice ice pack sheet ice shelf ice

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

Seals rely on pack ice to give birth, to rest and for protection.

From Barron's • Feb. 10, 2026

The pack ice again proved formidable, preventing the team from locating the Endurance in 2019.

From Science Daily • Oct. 29, 2025

Historically in winter, the gulf’s pack ice transforms into the southernmost whelping grounds for harp seals—an ice nursery for newborn pups.

From National Geographic • Jan. 23, 2024

Ross seals live in the open seas and on pack ice that is difficult to reach.

From BBC • Feb. 5, 2023

It was midsummer July, and then August of 1854, and still, temperatures remained cool, the pack ice did not melt, and the Advance couldn’t move.

From "American Spirits" by Barb Rosenstock