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.
An example of a bouy is a floating post with a light that shows the entry to the harbor.
A glider buoyed by air currents.
To buoy an anchor; to buoy or buoy off a channel.
Origin of buoy
- Middle English boie from Old French boue probably of Germanic origin bhā-1 in Indo-European roots
From American Heritage Dictionary of the English Language, 5th Edition
- 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.