Definitions for: Headlight

[n] a powerful light with reflector; attached to the front of an automobile or locomotive

Webster (1913) Definition: Head"light`, n. (Engin.)
A light, with a powerful reflector, placed at the head of a
locomotive, or in front of it, to throw light on the track at
night, or in going through a dark tunnel.

Synonyms: headlamp

See Also: electrical system, foglamp, Fresnel lens, light, light source