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[hed-lahyt] /ˈhɛdˌlaɪt/
a light or lamp, usually equipped with a reflector, on the front of an automobile, locomotive, etc.
Origin of headlight
1860-65, Americanism; head + light1 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for headlight
  • He crossed at night, a locomotive headlight affixed to either each of the cable.
  • They were designed that way to comply with federal regulations for headlight height.
  • So big, it blew the headlight beams right off the road.
  • Or maybe those retractable headlight washers would be useful after all.
  • He mistakenly broke a headlight on the family car with a baseball bat, then fretted over whether to lie about it to his parents.
  • headlight covers blend cleanly into the surrounding fascia and fenders.
  • The maximum light output for a particular headlight is determined at a specific point in its aiming pattern.
  • Ride with your headlight on and consider using a modulation headlight.
  • One headlight and one turn signal was destroyed and one headlight only suffered bezel ring damage.
  • If your headlight isn't working you cannot participate in the ride.
British Dictionary definitions for headlight


a powerful light, equipped with a reflector and attached to the front of a motor vehicle, locomotive, etc See also quartz-iodine lamp
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 headlight

1861, originally of ships and locomotives, from head (n.) + light (n.). Related: Headlights, which, as slang for "a woman's breasts," is from 1940s.

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for headlight

hang a few on

verb phrase

To have several drinks of liquor: He had only hung a few on and was, for him, slightly sober (1950s+)

The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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