Naut.
a buoy having a whistle operated by air trapped and compressed in an open-bottomed chamber by the rising and falling water level caused by natural wave action.
Naut.
a buoy having a whistle operated by air trapped and compressed in an open-bottomed chamber by the rising and falling water level caused by natural wave action.
Random House Webster's Unabridged English dictionary. Полный английский словарь Вебстер - Random House . 2012