| traffic light n. 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. |
traffic light, signal
n
one of a set of coloured lights placed at crossroads, junctions, etc., to control the flow of traffic. A red light indicates that traffic must stop and a green light that it may go: usually an amber warning light is added between the red and the green
ThesaurusLegend: Synonyms Related Words Antonyms
| Noun | 1. |  traffic light - a visual signal to control the flow of traffic at intersectionslight - a visual warning signal; "they saw the light of the beacon"; "there was a light at every corner" go-ahead, green light - a signal to proceed red light - the signal to stop yellow light - the signal to proceed with caution |
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