HEADLIGHT

headlamp [noun] [C usually plural] - a large powerful light at the front of a vehicle, usually one of twoI could see a car's headlights coming towards me.It was foggy, and all the cars had their headlights on (= so that they were giving out light).Dip your headlights (= Change the direction of their light so that it is shining downwards) when you see another car coming towards you.Compare sidelight (LIGHT).