[f. CORK sb.1] A jacket made partly of cork, or lined with cork, to support a person in the water.
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.
1818. Scott, Hrt. Midl., i. The cork-jacket which carries the heroes of romance safe through all the billows of affliction.
1891. Standard, 19 Nov., 2/1. A large number of men crowded into the boat with cork-jackets on.