headlight
nounUK /ˈhɛdlaɪt/
US /ˈhɛdˌlaɪt/
A bright light on the front of a car that helps the driver see in the dark.
She turned on the headlights as the sun went down.
OTHER MEANINGS
2. A powerful light on the front of a train or locomotive.
The train's headlight lit up the tracks ahead.
3. A light worn on the forehead, such as by a miner or hiker.
He strapped on his headlight before entering the cave.
4. A beam of light from a vehicle's front lamp.
The headlights of oncoming cars flashed across the windshield.