[ fog-hawrn, fawg- ]
See synonyms for foghorn on
  1. a deep, loud horn for sounding warning signals in foggy weather, as to ships.

  2. a deep, loud voice.

Origin of foghorn

First recorded in 1855–60; fog1 + horn

Words Nearby foghorn Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

How to use foghorn in a sentence

  • We hove-to, keeping the foghorn going with its melancholy bray.

    The Log of a Sea-Waif | Frank T. Bullen
  • Night was coming on and, to accent the loneliness, from somewhere in the dusky dimness a great foghorn groaned at intervals.

    Galusha the Magnificent | Joseph C. Lincoln

British Dictionary definitions for foghorn


/ (ˈfɒɡˌhɔːn) /

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

  2. informal a loud deep resounding voice

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012