n. 1 (navigational or channel) mark or marker, float; nun (-buoy), can (-buoy), bell (buoy), gong (-buoy), siren, signal, mooring-buoy, spar-buoy, lollipop Returning to port, always leave the red buoys to starboard
v. 2 Often, buoy up. lift, raise, elevate, support, hearten, sustain, keep up We sang songs to buoy up our spirits while the rescuers dug their way towards us