| 释义 |
jack·et
I. \ˈjakə̇t, usu -ə̇d.+V\ noun
(-s)
Usage: often attributive
Etymology: Middle English jaket, from Middle French jaquet, diminutive of jaque, jaques short jacket, pourpoint, jack, from jacques, jacque peasant, from the name of Jacques James, Jacob
1.
a.
(1) : a garment like a coat for the upper body usually having a front opening, collar, lapels, sleeves, and pockets, made in varying lengths from waist to hip, and worn separately or as part of a suit
< cardigan jacket >
< an embroidered pajama jacket >
(2) Midland : a man's vest
b. : something worn or fastened around the body but not for use as clothing: as
(1) : cork jacket
(2) : straitjacket
(3) : a casing for the upper part of the body usually made of plaster and serving a supportive, corrective, or restraining purpose
2.
a.
(1) : the natural covering of an animal (as the skin of a snake or fish)
(2) : the fur or wool of a mammal sometimes together with the skin
< a flock with a fine even jacket of wool >
(3) : a young seal
b. : the skin of a potato — used chiefly of cooked potatoes in the phrase in their jackets
3. : an outer covering or casing: as
a. : a thermally nonconducting cover or lagging (as for a tank, pipe, or engine cylinder); also : a covering that encloses an intermediate space through which a temperature-controlling fluid may be circulated (as in water-cooling a gasoline-engine cylinder)
b.
(1) : a cylindrical hollow forging in a built-up gun that is concentric with and shrunk usually directly upon the tube, extends from the breech usually to a little forward of the trunnions, and usually contains the seat for the breechblock or breech plug
(2) : the tough cold-worked metal casing which forms the outer shell of a built-up bullet and into which lead is swaged to form the complete projectile
c.
(1) : a cloth covering for a machine roller usually woven or felted in tubular form
(2) : a felt cover for a couch roll in a papermaking machine
d. : an easily removable form that supports a foundry mold on all four sides during pouring
e.
(1) : a wrapper or open envelope for a document (as a letter, dispatch, or the case-history file or personal record of a prisoner, serviceman, or agency client) on which are put directions for its disposition and notations as to its contents, dates of being sent and received, or other details
(2) : an envelope for enclosing registered mail during delivery from one post office to another
f.
(1) : a detachable protective wrapper for a book typically consisting of a rectangular sheet of paper elaborately printed with descriptive or promotional material, cut flush at head and foot, and folded around the binding with ends tucked between cover board and free endpaper — called also book jacket, book wrapper, dust cover, dust jacket, dust wrapper, wrapper
(2) : the cover of a paperbound book especially when folded and tucked under at the fore edge
(3) : the outside leaves for a booklet, pamphlet, or catalog which is to be stitched or wired through the saddle
(4) : a paper or paperboard envelope for a phonograph record
II. transitive verb
(-ed/-ing/-s)
: to put a jacket on : enclose in or with a jacket
< reports which had been jacketed — C.R.Cooper > |