Noun buoy has 1 sense
  1. buoy - bright-colored; a float attached by rope to the seabed to mark channels in a harbor or underwater hazards
    --1 is a kind of
    reference point, point of reference, reference
    --1 has particulars:
     acoustic buoy; can, can buoy; conical buoy, nun, nun buoy; spar buoy
    Derived forms: verb buoy1, verb buoy3
,Verb buoy has 3 senses
  1. buoy - float on the surface of water
    --1 is one way to
    float, swim
    Derived form: noun buoy1
    Sample sentences:
    Something ----s
    Somebody ----s
  2. buoy, buoy up - keep afloat; "The life vest buoyed him up"
    --2 is one way to hold, support, sustain, hold up
    Sample sentences:
    Something ----s somebody
    Something ----s something
  3. buoy - mark with a buoy
    --3 is one way to
    mark
    Derived form: noun buoy1
    Sample sentence:
    Somebody ----s something
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