Definition

Noun: A red light mounted on the back of a vehicle, designed to make the vehicle visible from behind, especially in low-light conditions or when braking. It is a critical safety feature.

Usage

The term "rear light" refers specifically to the lamp itself. It is commonly used in general descriptions, driving contexts, and vehicle maintenance.

Examples

• The police officer noted that one of the car's rear lights was broken.
• You should check your rear lights regularly to ensure they are working.
• The cyclist installed a bright rear light on his bike for evening rides.

Advanced Usage

• "To have a rear light out": This phrase means one of the rear lights is not functioning.
  • You're going to get a ticket if you drive with a rear light out.

Variants and Related Words

• Taillight / Tail light (n): A completely synonymous term for "rear light."
• Brake light (n): A specific type of rear light that illuminates more brightly when the driver applies the brakes. All brake lights are rear lights, but not all rear lights are brake lights (some are only for visibility).
• Rear lamp (n): A more formal or technical synonym.

Synonyms

• Tail lamp
• Back light

Related Phrases

• Rear light cluster (n): The assembly on a vehicle that houses multiple rear lights (e.g., brake light, turn signal, reverse light).
  • The new model features a redesigned rear light cluster.

Noun

1. lamp (usually red) mounted at the rear of a motor vehicle