Meaning of hot pack

hot' pack"

Pronunciation: [key]
  1. a hot towel, dressing, or the like, applied to the body to reduce swelling, relieve pain, etc.
  2. Also calleda method of canning food by cooking it and packing it while hot in jars or cans, then sterilizing in boiling water or steam. Cf. cold pack.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.