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hot pack

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noun
  1. a hot towel, dressing, or the like, applied to the body to reduce swelling, relieve pain, etc.
  2. Also called hot pack method. a method of canning food by cooking it and packing it while hot in jars or cans, then sterilizing in boiling water or steam.
Compare cold pack.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018