D defs.my
Entry 1 sense Webster, 1913

Life-preserver

/(līf"prē̇*zẽrv`ẽr)/ · Life·-pre·serv·er · IPA
01 n. An apparatus, made in very various forms, and of various materials, for saving one from drowning by buoying up the body while in the water.
  1. 1.
    An apparatus, made in very various forms, and of various materials, for saving one from drowning by buoying up the body while in the water.