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sidelight

[sahyd-lahyt] /ˈsaɪdˌlaɪt/
noun
1.
an item of incidental information.
2.
either of two lights carried by a vessel under way at night, a red one on the port side and a green on the starboard.
3.
light coming from the side.
4.
a window or other aperture for light in the side of a building, ship, etc.
5.
a window at the side of a door or another window.
Origin of sidelight
1600-1610
First recorded in 1600-10; side1 + light1
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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Examples from the Web for sidelight
Contemporary Examples
Historical Examples
  • They may throw a sidelight on the great drama of frontier war.

    The Story of the Malakand Field Force Sir Winston S. Churchill
  • Our first sidelight on this question came in rather a surprising manner.

    Preventable Diseases Woods Hutchinson
  • But that is neither here nor there; it is merely a sidelight I am giving you.

    The Copper-Clad World Harl Vincent
  • It is a sidelight of life in another 375 part of the world that has to be seen to be understood.

  • He glanced through the sidelight of the front door, carelessly.

    The Moonlit Way

    Robert W. Chambers
  • It was a sidelight upon the character of the awful being with whom we had to deal.

  • "I see," said Bob, vastly amused at this sidelight on the family reputation.

    The Rules of the Game Stewart Edward White
  • This sidelight on the Earl is as much illumination as the story wants, for the moment.

    When Ghost Meets Ghost

    William Frend De Morgan
British Dictionary definitions for sidelight

sidelight

/ˈsaɪdˌlaɪt/
noun
1.
light coming from the side
2.
a side window
3.
either of the two navigational running lights used by vessels at night, a red light on the port and a green on the starboard
4.
(Brit) either of two small lights on the front of a motor vehicle, used to indicate the presence of the vehicle at night rather than to assist the driver
5.
additional or incidental information
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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Word Origin and History for sidelight
n.

also side-light, c.1600, "light coming from the side," from side (adj.) + light (n.). Figurative meaning "incidental information on a subject" is attested from 1862.

Online Etymology Dictionary, © 2010 Douglas Harper
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