headlamp

noun

1. An individual headlight, particularly of a motor vehicle.

   “The automobile headlamp uses either a parabolic reflector or a slight modification of it to obtain a concentrated light beam.”

   “With its long tapered cowcatcher, massive headlamp and enormous diamond smokestack behind, wagon-top boiler, high running-plate above the driving-wheels reached from a front door in the square side-window cab, cylinders with slide valves mounted on top, and double bogie tender, General in its present form is typical of much earlier American locomotive practice.”

2. A flashlight worn on the head.