buoy
1. [ verb ] mark with a buoy
Related terms: mark
2. [ verb ] keep afloat
Synonyms: buoy_up
Examples:

: "The life vest buoyed him up"

Related terms: hold
3. [ verb ] float on the surface of water
Related terms: float
4. [ noun ] (nautical) bright-colored; a float attached by rope to the seabed to mark channels in a harbor or underwater hazards
Related terms: reference_point nun can spar_buoy acoustic_buoy
Similar spelling:   buy
  Buyi
  Bui
  Bua
  Buie