foghorn

American  

[fog-hawrn, fawg-] / ˈfɒgˌhɔrn, ˈfɔg- /

noun

1. a deep, loud horn for sounding warning signals in foggy weather, as to ships.

2. a deep, loud voice.

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foghorn British  

/ ˈfɒɡˌhɔːn /

noun

1. a mechanical instrument sounded at intervals to serve as a warning to vessels in fog

2. informal  a loud deep resounding voice

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Etymology

Origin of foghorn

First recorded in 1855–60; fog ¹ + horn

Example Sentences

A large fire on a hillside in Inverclyde led to a smoke over Greenock and the Clyde, prompting ships to sound their foghorns.

From BBC

Fellow whale songs, murmuring currents, the occasional foghorn, perhaps.

From Los Angeles Times

He has the issues, he has the money and he can show solid constituent service – if he can cut through the foghorn bombast of Donald Trump.

From Salon

That night it rained and the light station’s modern foghorn sounded every 30 seconds, as it routinely does from October to April.

From Los Angeles Times

To the human ear, the hum might sound like a single note on a French horn or a foghorn.

From Science Daily