headlight

1. A bright light, with a lens and reflector, on the front of a motor vehicle (or originally a ship or train), designed to illuminate the road when driving at night; normally one of a pair.
2. A woman's breast. (US, slang)
3. A woman's erect nipples, partially masked by clothing. (slang)
4. A jewel; especially a diamond. (US, slang)
5. Lysergic acid diethylamide (LSD). (US, slang)

الجمع headlights