0 a bag containing a substance that can be heated or that gives off heat, put on a part of a person's body to warm it or to reduce pain:
If you suffer from poor circulation, try putting heat packs in your pockets to keep your hands warm.
An arthritis sufferer, she designed a “wrap around” heat pack that she could put around her chest.
I tried everything to ease my sciatica: heat packs, cold packs, gels, sprays, ibuprofen.
They designed and manufactured a range of heat packs that are specifically tailored to mould to a particular part of the body.
He should go back to his trailer and defrost, instead of stuffing heat packs in his gloves and stubbornly remaining on the platform.
