Definitions

from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A sleeveless jacket or vest that is filled with buoyant material and used as a life preserver.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun an article of protective clothing that is designed to keep the wearer's head floating above the surface of the water.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

  • noun life preserver consisting of a sleeveless jacket of buoyant or inflatable design

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