Dictionary.com
definitions
  • synonyms

running light

See more synonyms for running light on Thesaurus.com
noun
  1. any of various lights required to be displayed by a vessel or aircraft operating between sunset and sunrise.
Show More

Origin of running light

First recorded in 1880–85
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for running light

running light

noun
  1. nautical one of several white, red, or green lights displayed by vessels operating at night
Show More
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