buoy

Từ điển Oxford Learners Wordfinder Dictionary

I - noun

bright-colored;
a float attached by rope to the seabed to mark channels in a harbor or underwater hazards
• Hypernyms:
reference point, point of reference, reference
• Hyponyms:
acoustic buoy, can, can buoy, conical buoy, nun,
nun buoy, spar buoy

II - verb

1. float on the surface of water
• Derivationally related forms:
buoyant
• Hypernyms:
float, swim
• Verb Frames:
- Something ----s
- Somebody ----s
2. keep afloat
- The life vest buoyed him up
• Syn:
buoy up
• Derivationally related forms:
buoyant
• Hypernyms:
hold, support, sustain, hold up
• Verb Frames:
- Something ----s somebody
- Something ----s something
3. mark with a buoy
• Hypernyms:
mark
• Verb Frames:
- Somebody ----s something