1. A float attached by rope to the seabed to mark channels in a harbour or underwater hazards; typically brightly-coloured
   "The sailors carefully navigated between the buoys marking the safe passage"

1. Float on the surface of water
   "The empty bottles buoyed in the lake"
    
2. Keep afloat
   "The life vest buoyed him up";
   - buoy up
    
3. Mark with a buoy
   "The dangerous reef was buoyed to warn ships"

Sounds like: boy

Derived forms: buoys, buoying, buoyed

Type of: float, hold, hold up, mark, point of reference, reference, reference point, support, sustain, swim

Encyclopedia: Buoy