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running light

any of various lights required to be displayed by a vessel or aircraft operating between sunset and sunrise.
Origin of running light
First recorded in 1880-85 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for running light
Contemporary Examples
Historical Examples
  • Jim could hear the splash of her tiny propeller; for the launch was running light, and the blades often rose clear of the water.

    The Hero of Panama F. S. Brereton
  • You see, they are running light, and they have the better engine.

    The Wind in the Willows Kenneth Grahame
  • "Ores is running light now," said Mr. McClosky with easy indifference.

  • Eudena kept the first place, running light and with her breath easy, for Ugh-lomi carried the Fire Stone in his hand.

    Tales of Space and Time Herbert George Wells
  • Let us now trace the operations of diving right through, supposing that our submarine is first running light.

  • Indeed, "running light" is the technical term describing it when it is riding upon the surface of the water like an ordinary ship.

  • It happened that this train was running light and now the sleepers were practically deserted but for the nodding porters.

    Uncle Sam Detective William Atherton Du Puy
  • The other set will be pressed into service when they are running light.

    The Panama Canal Frederic Jennings Haskin
British Dictionary definitions for running light

running light

(nautical) one of several white, red, or green lights displayed by vessels operating at night
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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