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Life buoy

noun

Definitions

Noun
  1. 1
    A buoyant object (most commonly torus-shaped) that is used as a life-saving device by keeping a person afloat. British

    "A spherical life buoy having an air chamber formed therein, an entrance opening communicating with the interior of said life buoy, air inlet and exhaust pipes extending exteriorly therof, a perforated housing for each of said pipes, a dome secured to teh periphery of said life buoy and covering said housings, said dome being perforated, and means for supporting said life buoy upon the deck of a vessel."

  2. 2
    a life preserver in the form of a ring of buoyant material wordnet
  3. 3
    Something that rescues one from difficulties. British, figuratively

    "Fearing that he might become permanently sewn into the Air France uniform he put on every morning, Manuel regarded Mario's faith in him as a life buoy."

Etymology

From life + buoy.

See also for "life buoy"

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