whistling buoy
Noun
Meaning
whistling buoy (plural whistling buoys)
A buoy fitted with a whistle that is blown by the action of the waves.
Synonym: (nautical slang) groaner
Noun
whistling buoy (plural whistling buoys)
A buoy fitted with a whistle that is blown by the action of the waves.
Synonym: (nautical slang) groaner