Main Entry: ¹pack

Pronunciation: \ˈpak\

Function: noun

1 : a container shielded with lead or mercury for holding radium in large quantities especially for therapeutic application
2 a : absorbent material saturated with water or other liquid for therapeutic application to the body or a body part—see cold pack, hot pack; compare ice pack b : a folded square or compress of gauze or other absorbent material used especially to maintain a clear field in surgery, to plug cavities, to check bleeding by compression, or to apply medication