See Also: green light(dictionary)
light green SF yellowish(medicine)
Green Light - Ice Hockey(gambling)
ray, light(medicine)
first light(dictionary)
light(1)(dictionary)
light ale(dictionary)
Light(medicine)
light pen(dictionary)
light(encyclopedia)

green light (oh)



n [C]
a traffic light that shows cars they can go forward
give sb/sth the green light
to allow a project, plan etc to begin
::The government has given the green light to Sunday trading.