ice pack

Từ điển WordNet v3.1 - WordNet Dictionary

noun

1. a waterproof bag filled with ice: applied to the body (especially the head) to cool or reduce swelling (Freq. 1)
• Syn:
ice bag
• Hypernyms:
bag
2. a large expanse of floating ice
• Syn:
pack ice
• Hypernyms:
ice