buoy


From The Collaborative International Dictionary of English v.0.48:

Buoy \Buoy\ (bwoi or boi; 277), n. [D. boei buoy, fetter, fr.
   OF. boie, buie, chain, fetter, F. bou['e]e a buoy, from L.
   boia. "Boiae genus vinculorum tam ferreae quam ligneae."
   --Festus. So called because chained to its place.] (Naut.)
   A float; esp. a floating object moored to the bottom, to mark
   a channel or to point out the position of something beneath
   the water, as an anchor, shoal, rock, etc.
   [1913 Webster]

   Anchor buoy, a buoy attached to, or marking the position
      of, an anchor.

   Bell buoy, a large buoy on which a bell is mounted, to be
      rung by the motion of the waves.

   Breeches buoy. See under Breeches.

   Cable buoy, an empty cask employed to buoy up the cable in
      rocky anchorage.

   Can buoy, a hollow buoy made of sheet or boiler iron,
      usually conical or pear-shaped.

   Life buoy, a float intended to support persons who have
      fallen into the water, until a boat can be dispatched to
      save them.

   Nut buoy or Nun buoy, a buoy large in the middle, and
      tapering nearly to a point at each end.

   To stream the buoy, to let the anchor buoy fall by the
      ship's side into the water, before letting go the anchor.
      

   Whistling buoy, a buoy fitted with a whistle that is blown
      by the action of the waves.
      [1913 Webster]
.

From The Collaborative International Dictionary of English v.0.48:

Buoy \Buoy\, v. t. [imp. & p. p. Buoyed; p. pr. & vb. n.
   Buoying.]
   1. To keep from sinking in a fluid, as in water or air; to
      keep afloat; -- with up.
      [1913 Webster]

   2. To support or sustain; to preserve from sinking into ruin
      or despondency.
      [1913 Webster]

            Those old prejudices, which buoy up the ponderous
            mass of his nobility, wealth, and title. --Burke.
      [1913 Webster]

   3. To fix buoys to; to mark by a buoy or by buoys; as, to
      buoy an anchor; to buoy or buoy off a channel.
      [1913 Webster]

            Not one rock near the surface was discovered which
            was not buoyed by this floating weed. --Darwin.
      [1913 Webster]
.

From The Collaborative International Dictionary of English v.0.48:

Buoy \Buoy\, v. i.
   To float; to rise like a buoy. "Rising merit will buoy up at
   last." --Pope.
   [1913 Webster]
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