Buoy definitions

bo͝o'ē, boi
To buoy is defined as to raise someone's spirits or to keep something or someone afloat.

An example of buoy is when you try to cheer up someone who has just been fired and to encourage him to keep his hopes up.

An example of buoy is when a life jacket helps to keep you afloat.

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The definition of a bouy is a floating object that is anchored to warn of danger or to mark a location.

An example of a bouy is a floating post with a light that shows the entry to the harbor.

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A float moored in water to mark a location, warn of danger, or indicate a navigational channel.
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A life buoy.
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To keep afloat or aloft.

A glider buoyed by air currents.

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To mark with or as if with a buoy.
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To maintain at a high level; support.
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To hearten or inspire; uplift.
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A floating object anchored in a lake, river, etc. to mark a channel, warn of a hazard, etc., variously shaped and colored, and often equipped with a bell or light.
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A similar but larger and heavier object, usually with a ring on top, to which a ship can be moored.
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To mark or provide with a buoy.
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To keep afloat.
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To lift up or keep up in spirits; encourage.
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To keep afloat or aloft; used with up.
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To support or maintain at a high level.
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To mark with a buoy.

To buoy an anchor; to buoy or buoy off a channel.

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To maintain or enhance enthusiasm or confidence.
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Origin of buoy

From Middle English buoy, boye (“a float”), from Middle Dutch boeye (“a float, signal”) or Middle French bouee, boue ("a float, marker, buoy"; < Middle Dutch), from Old Dutch *bōkan, *boukan (“signal, beacon”), from Old Frankish *boukan, *baukan (“signal, beacon”), from Proto-Germanic *baukną (“sign, signal, portent”), from Proto-Indo-European *bʰā- (“to glow, light, shine”). More at beacon.