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 (bo͞o′ē, boi)
1. A float placed in water and usually moored, as to mark a location, enable retrieval of a sunken object, or record oceanographic data.
2. A life buoy.
tr.v. buoyed, buoy·ing, buoys
1. To keep afloat or aloft: a glider buoyed by air currents.
a. To maintain at a high level; support: "the persistent ... takeover speculation, which has buoyed up the shares of banks" (Financial Times).
b. To hearten or inspire; uplift: "buoyed up by the team spirit and the pride of the older generation back at home" (Judith Martin).
3. To mark with or as if with a buoy.

[Middle English boie, from Old French boue, probably of Germanic origin; see bhā- in Indo-European roots.]


Shaped and colored floats, anchored to the seabed, to indicate channels, obstructions, or moorings.
References in classic literature ?
It was like my own marsh country, flat and monotonous, and with a dim horizon; while the winding river turned and turned, and the great floating buoys upon it turned and turned, and everything else seemed stranded and still.
We now resolved to let off enough gas to bring our guide-rope, with the buoys affixed, into the water.
The Lights, Beacons, Buoys, Channels, and Landmarks of Great Britain.
There were no pilots, no beacons, no buoys of any sort; but there was a very devil of a current for anybody to see, no end of shoal places, and at least two obviously awkward turns of the channel between me and the sea.
These signs which are so plentiful, in shape like river buoys, or small balloons, hoisted by cords to poles, and dangling there, announce, as you may see by looking up, 'OYSTERS IN EVERY STYLE.
We hauled off one evening to the buoys at the dock-gates, ready to go out, and with a fair prospect of beginning the voyage next day.
A youth, a mild-faced Acadian, was drawing water from the cistern, which was nothing more than a rusty buoy, with an opening on one side, sunk in the ground.
Thou art crushed under this seven years' weight of misery," replied Hester, fervently resolved to buoy him up with her own energy.
Then you have some secret hope to buoy you up and please you with whispers of the future?
And you can hear the chains a- jangle as you go about and reach for the other buoy.
At the end of it is a buoy with a bell, which swings in bad weather, and sends in a mournful sound on the wind.
I assume he followed the land and passed through what is at present known as Margate Roads, groping his careful way along the hidden sandbanks, whose every tail and spit has its beacon or buoy nowadays.