a signal to proceed
permission to proceed with a project or to take action;
"the gave the green light for construction to begin"
- The driver is trying to jump the green light.
- I stood watching for the signal to change to green.
- The driver waited for the green light, his engine racing.
- In a further move, green lights will be given to taxis with the yellow sign.
- Only light vehicles are allowed over the old bridge.
- Mother gave us the green light to go on the camping trip this summer.