hot bag
hot bag · hot bags
A bag designed to generate and/or hold heat, used as a hot compress or warming deviceA bag designed to generate and/or hold heat, used as a hot compress or warming device.
Meaning
3 sensesA bag designed to generate and/or hold heat, used as a hot compress or warming device.
A bag for keeping pizza hot during delivery.
Used other than figuratively or idiomatically: see hot, bag.