- a red light, usually one of a pair, attached to the rear of a motor vehicleAlso called: tail-light, tail lamp
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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Examples from the Web for rear light
Down in the darkness beyond Dave made out the red, rear-light of the Basswood automobile.
"I feel a bit uneasy about our Candidate," said the Chairman as we watched the rear-light turn the corner.