A float moored in water to mark a location, warn of danger, indicate a navigational channel or for other purposes
A life-buoy; a life preserver.
To maintain or enhance enthusiasm or confidence; to lift the spirits of.
To support or maintain at a high level.
To keep afloat or aloft; used with up.
To mark with a buoy.
A snorkel parka.
A retractable tube fitted in diesel-engine submarines to allow sufficient ventilation that the engines may be used at periscope depth.
A hollow tube, held in the mouth, or mounted on and opening into a diving mask, used by swimmers for breathing underwater.
To use a snorkel.