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Foghorn |
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foghorn
a mechanical instrument sounded at intervals to serve as a warning to vessels in fog foghorn [′fäg‚hȯrn] (navigation) A horn used as a fog signal. Foghorn an electroacoustic device of the diaphragm type installed in lighthouses and shore beacons; used to produce a shrill, high-pitched signal that can be heard on board a ship during periods of fog or reduced visibility. The signal of a foghorn is audible at distances up to 15 nautical miles. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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