1.  One who preserves life.

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1638.  Sir T. Herbert, Trav. (ed. 2), 234. The Doctors are nam’d Hackeems (it may be radically from the Hebrew word Hachajim, that is, a life-preserver).

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  2.  A life-buoy, life-belt, or other contrivance used in saving life at sea.

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1804.  Naval Chron., XII. 189. The plan of the ‘Life Preserver’ here mentioned is borrowed from that of Commissary Bosquet.

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1825.  Hood, Ode to Mr. Dymoke. Nor would even the best of his earthly inventions, ‘Life preservers,’ have floated him out of this gore.

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1850.  Scoresby, Cheever’s Whaleman’s Adv., ii. (1859), 18. Taking … a life-preserver, I ventured into one of the little canoes.

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  3.  A stick or bludgeon loaded with lead, intended for self-defence. Often referred to as a frequent weapon of burglars.

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1837.  Ann. Reg., 11. The prisoner was given in charge to the police, a life-preserver having been found upon him.

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1851.  Illustr. Catal. Gt. Exhib., 1056. Life-preservers, of whale-bone and cane, covered with leather.

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1887.  Spectator, 26 Feb., 285/1. When a burglar is armed with a bludgeon or a life-preserver.

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