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One of several lights on a vehicle, such as a ship, turned on between dusk and dawn to indicate position and size.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
(Nautical Terms) nautical one of several white, red, or green lights displayed by vessels operating at night
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
any of various lights displayed by a vessel or aircraft operating at night.
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.
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|Noun||1.||running light - light carried by a boat that indicates the boat's direction; vessels at night carry a red light on the port bow and a green light on the starboard bow|
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