jacket

From Middle French jacquet, diminutive of Old French jaque.

• (Received Pronunciation) IPA^(key): /ˈd͡ʒæk.ɪt/
• (General American) IPA^(key): /ˈd͡ʒækɪt/, /ˈd͡ʒækət/

• Audio (US)

  (file)

• Rhymes: -ækɪt
• Hyphenation: jack‧et

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 removable or replaceable protective or insulating cover for an object (e.g. a book, hot water tank.)
4. (slang) A police record.
   • 1995, Clockers, 00:26:00:

     "We got a crowd of black, white customers, out-of-state license plates, what have you. Somebody gonna check that out. They gonna drop a dime on me, call 911. With my jacket, I can't go back to jail."

   • 1995, Clockers, 00:43:50:

     "Yo's jacket shows possession with intent, possession of unlicensed firearm, and assault, for which he still owes three years."

   • 2014, Inherent Vice, 01:54:00:

     "I need to look up somebody's jacket."

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.

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

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

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.