Headlight

(n.) 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.

Thesaurus Entries

PCV valve, alternator, ammeter, atom smasher, atomic accelerator, atomic cannon, bearings, bonnet, boot, brake, bucket seat, bumper, camshaft, carburetor, chassis, choke, clutch, connecting rod, convertible top, cowl, crank, crankcase, crankshaft, cutout, cylinder, cylinder head, dash, dashboard, differential, distributor, exhaust, exhaust pipe, fan, fender, flywheel, gear, gearbox, gearshift, generator, headlight, headrest, hood, horn, ignition, intake, manifold, muffler, parking light, particle accelerator, piston, power brakes, power steering, radiator, rear-view mirror, seat belt, shock absorber, spark plug, speedometer, springs, starter, steering wheel, top, transmission, universal, valve, windscreen, windshield