'Jacket' definitions:

Definition of 'jacket'

From: WordNet
noun
A short coat
noun
An outer wrapping or casing; "phonograph records were sold in cardboard jackets"
noun
(dentistry) dental appliance consisting of an artificial crown for a broken or decayed tooth; "tomorrow my dentist will fit me for a crown" [syn: crown, crownwork, jacket, jacket crown, cap]
noun
The outer skin of a potato
noun
The tough metal shell casing for certain kinds of ammunition
verb
Provide with a thermally non-conducting cover; "The tubing needs to be jacketed"
verb
Put a jacket on; "The men were jacketed"

Definition of 'Jacket'

From: GCIDE
  • Jacket \Jack"et\, v. t.
  • 1. To put a jacket on; to furnish, as a boiler, with a jacket. [1913 Webster]
  • 2. To thrash; to beat. [Low] [1913 Webster]

Definition of 'Jacket'

From: GCIDE
  • Jacket \Jack"et\, n. [F. jaquette, dim. of jaque. See 3d Jack, n.] [1913 Webster]
  • 1. A short upper garment, extending downward to the hips; a short coat without skirts. [1913 Webster]
  • 2. An outer covering for anything, esp. a covering of some nonconducting material such as wood or felt, used to prevent radiation of heat, as from a steam boiler, cylinder, pipe, etc. [1913 Webster]
  • 3. (Mil.) In ordnance, a strengthening band surrounding and re["e]nforcing the tube in which the charge is fired. [1913 Webster]
  • 4. A garment resembling a waistcoat lined with cork, to serve as a life preserver; -- called also cork jacket. [1913 Webster]
  • Blue jacket. (Naut.) See under Blue.
  • Steam jacket, a space filled with steam between an inner and an outer cylinder, or between a casing and a receptacle, as a kettle.
  • To dust one's jacket, to give one a beating. [Colloq.] [1913 Webster]