buoy

1. Bright-colored;
   A float attached by rope to the seabed to mark channels in a harbor or underwater hazards (synset 107280883)
   hypernym: point of reference, reference, reference point - an indicator that orients you generally
   hyponym:

   • acoustic buoy - a buoy that can be heard (at night)
   • can, can buoy - a buoy with a round bottom and conical top
   • conical buoy, nun, nun buoy - a buoy resembling a cone
   • spar buoy - a buoy resembling a vertical log

1. Float on the surface of water (synset 201908788)
   hypernym: float, swim - be afloat either on or below a liquid surface and not sink to the bottom
2. Keep afloat (synset 201221076)
   "The life vest buoyed him up"
   hypernym: hold, hold up, support, sustain - be the physical support of; carry the weight of
   synonym: buoy up
3. Mark with a buoy (synset 200924742)
   hypernym: mark - designate as if by a mark

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