ice-pack

n bag filled with ice, used medically to cool parts of the body, esp the head 冰袋（医疗上作局部降温用, 尤指敷於头部的）.

ICBM, ice, ice age, ice cream, ice crevasse, ice dancing, ice hockey (US hockey), ice lolly (US Popsicle), ice-axe (also esp US ice-ax), ice-blue, ice-bound, ice-breaker, ice-cap, ice-cold, ice-cream, ice-cube, ice-fall, ice-field, ice-floe, ice-free, ice-pick, ice-rink, ice-show, ice-skate, ice-skating, ice-tray, ice-water, iceberg, icebox, Iceland, ichneumon, ichthyologist, ICI, icicle, icily, iciness, icing, icing sugar, icon, icon (also ikon),