A road signal for directing vehicular traffic by means of colored lights, typically red for stop, green for go, and yellow for proceed with caution. Also called stoplight, traffic signal.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "traffic light" in a sentence
"The figure is the Ampelmannchen, roughly translated as “little traffic light man,” a chubby, hat-wearing figure who directs pedestrians to walk or wait."
"I saw him again at noon when I was stopped by the traffic light at the four corners up on the Loreauville Road; this time he was pulling his suitcase on a roller skate up a street in a rural black slum by Bayou Teche."
"Dunross came out onto the Peak Road fast, heading for home, the traffic light and the engine sounding sweet."