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fog signal

any of various types of signal used as a warning by vessels navigating in fog or mist.
Origin of fog signal
1750-60 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for fog signal
  • Every fog signal station sounded its own distinctive pattern so that captains could pin-point their position.
  • The same construction crew that built the tower and the fog signal built it.
  • Attached to the light tower is a fog signal building consisting of a brick structure with a gabled roof.
  • There are other historic structures on site, including an oil house and a fog signal area.
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
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