• synonyms

fog signal



any of various types of signal used as a warning by vessels navigating in fog or mist.


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Nearby words

fog forest, fog gun, fog lamp, fog level, fog light, fog signal, fogarty, fogarty catheter, fogbound, fogbow, fogdog

Origin of fog signal

First recorded in 1750–60 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for fog signal

  • For instance, let a fog-signal be placed at or near water level on one side of an island that has a conical elevation.

    The Galaxy|Various
  • A “fog-signal” is employed on railways when the ordinary signals are obliterated within working distances.

British Dictionary definitions for fog signal

fog signal


a signal used to warn railway engine drivers in fog, consisting of a detonator placed on the line
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