Definition from Wiktionary, the free dictionary
Jump to navigation Jump to search


English Wikipedia has an article on:


From Middle French jacquet, diminutive of Old French jaque.



jacket (plural jackets)

  1. A piece of clothing worn on the upper body outside a shirt or blouse, often waist length to thigh length.
  2. A piece of a person's suit, beside trousers and, sometimes, waistcoat; coat (US)
  3. A protective or insulating cover for an object (e.g. a book, hot water tank, bullet.)
  4. (slang) A police record.
  5. (military) In ordnance, a strengthening band surrounding and reinforcing the tube in which the charge is fired.
  6. The tough outer skin of a baked potato.
    Cook the potatoes in their jackets.
  7. (Jamaica) A bastard child, in particular one whose father is unaware that they are not the child’s biological father.
  8. (Appalachia) A vest.


  • (piece of a person's suit): coat (US)
  • (removable protective cover): sleeve

Derived terms[edit]


  • Chinese:
    • Mandarin: 夾克, 夹克 (jiákè)
  • Irish: seaicéad
  • Japanese: ジャケット (jaketto)
  • Korean: 재킷 (jaekit)
  • Scottish Gaelic: seacaid
  • Turkish: ceket
  • Welsh: siaced


The translations below need to be checked and inserted above into the appropriate translation tables, removing any numbers. Numbers do not necessarily match those in definitions. See instructions at Wiktionary:Entry layout § Translations.


jacket (third-person singular simple present jackets, present participle jacketing, simple past and past participle jacketed)

  1. (transitive) To enclose or encase in a jacket or other covering.
    • 1897, Alexander James Wallis-Tayler, Motor Cars Or Power-carriages for Common Roads
      ...to...prevent...the loss of heat...there is also a layer of silicate cotton or slag wool. This latter material is also employed to jacket the chimney for a certain portion of its length.

Derived terms[edit]