A caoutchouc bag for holding broken ice when used as a cold application in surgical treatment, especially for the eye, spine, etc.(noun)
The Century Dictionary (Public Domain)
Use "ice-bag" in a sentence
"He stalked to the bathroom for the ice-bag, down to the kitchen for ice."
"At ten, while Carol was preparing an ice-bag in the kitchen,"
"What she said to herself as she moved tirelessly about the sick room, damping cloths, filling the ice-bag, infiltering drops of nourishment, was: “God is good!” and these words, far from breathing a pious resignation, voiced a confidence so bold that it bordered on irreverence."