traffic light

Definitions

1. A signalling device positioned at a road intersection or pedestrian crossing indicating the moment it is safe to drive, ride or walk, using a universal color code.
2. A road intersection controlled by one or more such devices.
   plural-normally
3. A colour code using the three signals of a traffic light (green, yellow or amber, and red) as a metaphor.
4. The colored dots on stamp sheet margins printed with offset printing or photogravure methods, used by the printers to check color accuracy.
5. In Conway's Game of Life, an arrangement of four blinkers that are orthogonally equidistant from a central point.

Equivalents

Examples

“In Sydney you'd better be riding the clutch and completely in sync with the traffic lights so that your car is already moving as they turn⟳ green.”

“How do I get⟳ to the hospital? ~ You go straight on to the traffic lights, then turn⟳ left at the traffic lights and the hospital is on your right.”

“The Department of Health recommends that food packaging display the recommended daily intake with a traffic light⟳ system, for ease of understanding.”

CEFR level