jacket
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jack·et
(jăk′ĭt)
n.
1. A short coat usually extending to the hips.
2. An outer covering or casing, especially:
a. The skin of a potato.
b. The dust jacket of a book or phonograph record.
c. An insulation covering for a steam pipe, wire, boiler, or similar part.
d. An open envelope or folder for filing papers.
e. The outer metal shell or case of a bullet.
3. A piece of jewelry or other ornament that attaches to an earring stud.
tr.v. jack·et·ed, jack·et·ing, jack·ets
To supply or cover with a jacket.
[Middle English jaket, from Old French jaquet, diminutive of jaque, short jacket, tunic, fromjacques, nickname for French peasants, from the name Jacques; see jack.]
jack′et·ed adj.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
jacket
(ˈdʒækɪt)
n
1. (Clothing & Fashion) a short coat, esp one that is hip-length and has a front opening andsleeves
2. something that resembles this or is designed to be worn around the upper part of the body:a life jacket.
3. (Mechanical Engineering) any exterior covering or casing, such as the insulating cover of aboiler
4. (Mechanical Engineering) the part of the cylinder block of an internal-combustion enginethat encloses the coolant
6. (Cookery)
a. the skin of a baked potato
b. (as modifier): jacket potatoes.
7. (Military) a metal casing used in certain types of ammunition
8. US a cover to protect a gramophone record. Brit name: sleeve
9. chiefly US a folder or envelope to hold documents
vb
(tr) to put a jacket on (someone or something)
[C15: from Old French jaquet short jacket, from jacque peasant, from proper name Jacques James]
ˈjacketed adj
ˈjacket-ˌlike adj
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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