noun. lamp (usually red) mounted at the rear of a motor vehicle.
- tail lamp
- rear lamp
- rear light
- light (English)
- leoht (Old English (ca. 450-1100))
- tail (English)
- tail (Middle English (1100-1500))
Example sentences of the word taillight
1. Noun, singular or mass
Make sure your sled has a headlight that illuminates the trail at least 100 feet ahead of you and a taillight that can be seen 500 feet behind if you ride at night.
2. Verb, past tense
Turn the thumb nut on the inside taillight cover in a counterclockwise direction, and set it aside.