head.light
n.(名词)A light with a reflector and lens mounted on the front of a locomotive, an automobile, or another vehicle.Also called headlamp 前灯:一种安装在火车机车、汽车或其它车辆前部的配有反射镜和透镜的灯也作 headlampA lamp mounted on a miner`s or spelunker`s hard hat.照明灯:一种安装在矿工或洞穴探险者头戴的坚固帽子上的灯