1. A buoy that makes a whistling noise
   - whistling buoy

Type of: acoustic buoy

• RAF
• Raffaello Santi
• Raffaello Sanzio
• raffia
• Raffia farinifera
• raffia palm
• Raffia ruffia
• Raffia taedigera
• Raffia vinifera
• raffinose
• raffish
• raffishly
• raffishness
• raffle
• raffle off
• Raffles
• rafflesia
• Rafflesiaceae
• raft
• raft foundation
• rafter
• raftered
• raftman
• rafts
• raftsman