Jacket meaning

jăkĭt
Frequency:
A piece of clothing worn on the upper body outside a shirt or blouse, often waist length to thigh length.
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(slang) A police record.
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noun
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To put a jacket, or coat, on.
verb
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To cover with a casing, wrapper, etc.
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A plastic housing that contains a floppy disk. The 5.25" disk is built into a flexible jacket; the 3.5" disk uses a rigid jacket.
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A piece of a person's suit, beside trousers and, sometimes, waistcoat ; coat (US)
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A removable or replaceable protective or insulating cover for an object (eg a book, hot water tank.)
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(military) In ordnance, a strengthening band surrounding and reinforcing the tube in which the charge is fired.
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To enclose or encase in a jacket or other covering.
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A short coat usually extending to the hips.
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An outer covering or casing, especially:
  • The skin of a potato.
  • The dust jacket of a book or phonograph record.
  • An insulation covering for a steam pipe, wire, boiler, or similar part.
  • An open envelope or folder for filing papers.
  • The outer metal shell or case of a bullet.
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To supply or cover with a jacket.
verb
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A coat extending to the waist or hips, usually with long sleeves.
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An outer coating or covering.
  • A cardboard holder for a phonograph record.
  • The metal casing of a bullet.
  • The insulating casing on a pipe or boiler.
  • (cooking) The skin of a potato.
  • A folder or envelope for holding letters or documents.
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Origin of jacket

  • Middle English jaket from Old French jaquet diminutive of jaque short jacket, tunic from jacques nickname for French peasants from the name Jacques jack

    From American Heritage Dictionary of the English Language, 5th Edition

  • From Middle French jacquet, diminutive of Old French jaque.

    From Wiktionary