A headlamp is a lamp attached to the front of a vehicle to illuminate the road ahead. Headlamps are also often called headlights, but in the most precise usage, headlamp is the term for the device itself and headlight is the term for the beam of light produced and distributed by the device.
A motor scooter's front with an impractical number and variety of headlamps, added for decorative purposes and characteristic of Mod culture
Ford Model T with acetylene gas headlamps
One of the first optical headlamp lenses, the Corning Conaphore. Selective yellow "Noviol" glass version shown.
1929 Cord L-29 with Woodlite headlamps U.S. patent 1,679,108
National Highway Traffic Safety Administration
The National Highway Traffic Safety Administration is an agency of the U.S. federal government, part of the Department of Transportation, focused on transportation safety in the United States.
Consumer information label for a vehicle with NCAP rating