The Collaborative International Dictionary
Jacket \Jack"et\, n. [F. jaquette, dim. of jaque. See 3d Jack, n.]
A short upper garment, extending downward to the hips; a short coat without skirts.
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.
(Mil.) In ordnance, a strengthening band surrounding and re["e]nforcing the tube in which the charge is fired.
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A garment resembling a waistcoat lined with cork, to serve as a life preserver; -- called also cork jacket.
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.]
Wiktionary
n. An old-fashioned life jacket having thin pieces of cork enclosed within canvas.
WordNet
n. life preserver consisting of a sleeveless jacket of buoyant or inflatable design [syn: life jacket, life vest]
Usage examples of "cork jacket".
Now that the work of the day was over Dave's mind went back to the scene of the morning, when he had handled his baby garments and the cork jacket.
Abel immediately suggested that if the middle of another line were fixed to the end of the rescue rope and each end attached to a cork jacket, that he would then adventure with the parson.