📖 WordNook

jacket

noun
  1. in dentistry, a dental appliance consisting of an artificial crown for a broken or decayed tooth
    “I got a new jacket last week and my tooth feels so much better.”
    cap
  2. a short coat
    “You will need to wear a jacket, because it is below freezing outside.”
  3. an outer wrapping or casing
    “Phonograph records were sold in cardboard jackets.”
  4. the tough metal shell casing for certain kinds of ammunition
    “This ammunition has a full metal jacket.”
  5. the outer skin of a potato
    “Wash the jackets before you boil the potatoes.”
verb
  1. to put a jacket on
    “I jacketed the kids before we went skiing.”
  2. to provide with a thermally non-conducting cover
    “The tubing needs to be jacketed.”