Definitionen
1.NounA float moored in water to mark a location, warn of danger, indicate a navigational channel or for other purposes
A lifebuoy; a life preserver.
2.NounA lifebuoy; a life preserver.
3.NounA sign where the non-dominant hand is held in a stationary configuration as a landmark for meaning associations with the dominant hand. .mw-parser-output .defdate{font-size:smaller}"list buoy"
4.VerbTo keep afloat or aloft; used with up.
5.VerbTo support or maintain at a high level.
6.VerbTo mark with a buoy."to buoy an anchor; to buoy or buoy off a channel"
7.VerbTo maintain or enhance enthusiasm or confidence; to lift the spirits of."Buoyed by the huge success, they announced two other projects."