# taillight

> English word · Noun · frequency rank #70,316

## Definitions
1. One of a pair of red lights mounted on the rear of a vehicle, so it can be seen from the rear at night.

## Etymology
From tail + light.

## Source
Compiled from Wiktionary via kaikki.org (CC BY-SA). Data vintage: 2026-05-06.
Canonical page: https://plainspell.com/en/word/taillight