bn:00074441n
Noun Concept
Categories: Pedestrian crossings, Articles with short description, 1868 introductions, History of road transport, Traffic law
EN
traffic light  traffic signal  stoplight  robot  semaphore
EN
A visual signal to control the flow of traffic at intersections WordNet 3.0
Definitions
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EN
A visual signal to control the flow of traffic at intersections WordNet 3.0 & Open English WordNet
Traffic lights, traffic signals, or stoplights – also known as robots in South Africa – are signalling devices positioned at road intersections, pedestrian crossings, and other locations in order to control the flow of traffic. Wikipedia
Traffic signaling device. Wikipedia Disambiguation
Traffic control device. Wikipedia Disambiguation
Signalling device to control competing flows of traffic Wikidata
Lights that control the traffic. OmegaWiki
A signaling device to control the flow of traffic. OmegaWiki
A traffic control signal, traditionally consisting of three lights, colored green, yellow/amber, and red, meaning proceed, prepare to stop, and stop, respectively. Wiktionary
A signalling device positioned at a road intersection or pedestrian crossing to indicate when it may be safe to drive, ride or walk, using a universal colour code. Wiktionary
Signalling device. Wiktionary (translation)