[f. CORK sb.1] A jacket made partly of cork, or lined with cork, to support a person in the water.

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1761.  Chron., in Ann. Reg., 157/1. A fisherman who had been cast away seven hours, and saved his life by means of a cork jacket.

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1818.  Scott, Hrt. Midl., i. The cork-jacket which carries the heroes of romance safe through all the billows of affliction.

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1891.  Standard, 19 Nov., 2/1. A large number of men crowded into the boat with cork-jackets on.

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