headlight has definitions from the field of transportation
1
[ noun ] (transportation) a powerful light with reflector; attached to the front of an automobile or locomotive

Synonyms

headlamp

Used in print

(Frieda Arkin, "The Light of the Sea," in The...)

They were climbing the hill in the night when the headlights abruptly probed solid blackness , became two parallel luminous tubes which broadened out into a faint mist of light and ended .

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