jacket
nounDefinition of jacket
(Entry 1 of 2)
1a
: a garment for the upper body usually having a front opening, collar, lapels, sleeves, and pockets
b
: something worn or fastened around the body but not for use as clothing
2a(1)
: the natural covering of an animal
(2)
: the fur or wool of a mammal
b
: the skin of a potato
3
: an outer covering or casing: such as
a(1)
: a thermally nonconducting cover
(2)
: a covering that encloses an intermediate space through which a temperature-controlling fluid circulates
(3)
: a tough cold-worked metal casing that forms the outer shell of a built-up bullet
b(1)
: a wrapper or open envelope for a document
(2)
: an envelope for enclosing registered mail during delivery from one post office to another
c(1)
: a detachable protective cover for a book
(2)
: a paper or cardboard envelope for a phonograph record
jacket
verb
jacketed;
jacketing;
jackets
Definition of jacket (Entry 2 of 2)
: to put a jacket on : enclose in or with a jacket
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