A rubber or plastic bag filled with ice, used for cooling injuries or reducing fever.
I had a fever, so I cooled my head with an ice bag.
Please apply an ice pack to the sprained ankle.
Standard kanji spelling. 嚢 is a non-jōyō kanji meaning 'bag' or 'sac'.
Common simplified spelling using kana for the second character, often used when 嚢 is unavailable or difficult.
Compound of 氷 (ひょう, 'ice') and 嚢 (のう, 'bag' or 'sac'). The reading のう for 嚢 is the on'yomi.