noun
taillight
noun
1
One of the red lights fitted to the rear of a vehicle so it is visible from behind at night.
"One of the car's taillights was cracked after the fender bender."
How to Use Taillight
Learner’s notesIn plain EnglishThe red light at the back of a car, truck, or bike.
Common pairings
broken taillight
flashing taillight
Word Forms
taillights plural
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One of the car's _____ was cracked after the fender bender.
Etymology
A straightforward compound of tail and light.