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jacket (EN)
noun

noun “jacket”

sg. jacket, pl. jackets
  1. a piece of clothing worn on the upper body over a shirt or blouse, typically with sleeves and a front opening
    She grabbed her jacket before heading out into the cool evening.
  2. the upper part of a suit worn with matching trousers, sometimes called a coat
    He hung his suit jacket on the back of his chair during the meeting.
  3. a protective or insulating cover for an object, such as a book cover or an insulation layer around a tank or pipe
    The water heater is wrapped in a special jacket to conserve energy.
  4. the outer skin of a baked potato
    He ate the whole potato, including the jacket.