whistling buoy

American  

noun

Nautical.

1. 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.

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Example Sentences

It is a fabulous place: when the tide is in, a wave-churned basin, creamy with foam, whipped by the combers that roll in from the whistling buoy on the reef.

From Literature

Water trickles melodically through Teddington lock; a ship's bell tolls; a whistling buoy on the estuary duets with a fog horn; the struts of the millennium bridge sing.

From The Guardian

Down on the breeze floated a distant, melancholy note, the voice of the whistling buoy south of Roaring Bull Ledge, two miles from Isle au Haut.

From Project Gutenberg

A whistling buoy, with its grim grunt, told all mariners to 'ware Razee Reef, which was lifting its jagged, black bulk against the sky-line.

From Project Gutenberg

In the early part of her career she had towed a whistling buoy into Boston and claimed salvage of the government, showing her logbook to prove that she had picked it up far at sea.

From Project Gutenberg