The plural of headlamp; lights mounted on the front of a vehicle or worn on the head to illuminate the way ahead.
From 'head' plus 'lamp,' forming a compound noun. Headlamps became standard on automobiles in the early 1900s.
Headlamps have come full circle—miners first used headlamps with candles, then electric bulbs, and now LEDs. Interestingly, moths are still attracted to them the same way they were 150 years ago.
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