What does "headlight" mean?

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.

What is a synonym for "headlight"?

Common synonyms include: headlamp, accelerator, auto, automobile, generator, headlamp.

Headlight

//ˈhɛdˌlaɪt// noun, slang

noun, slang ·Moderate ·High school level

Definitions

Noun

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.
"Improving how headlights are designed and controlled does not have to mean choosing between environmental protection and public safety. Smarter lighting that reduces unnecessary brightness and glare can benefit wildlife, improve driver comfort, and support safer nighttime travel."
2
a powerful light with reflector; attached to the front of an automobile or locomotive wordnet
3
A woman's breast. US, in-plural, slang, vulgar
"Oh, well. She's got... great... casabas.[…]Well, you know. Melons.[…]Hoo-has? Honkers? Hooters? Headlights? Uh... tatas? Teeters? Tweeters? Tom-toms? Tetons?[…]I'm trying to say it. Uh, meatballs. Mangoes. Cream pies. Cupcakes? Uh... bangers? Bouncers? Bulumbas?[…]Bazongas? Breasts! I said it."
4
A woman's erect nipples, partially masked by clothing. Canada, in-plural, slang, vulgar
5
A jewel; especially a diamond. US, in-plural, slang