noun
[ sing. ] permission for a project, etc. to start or continue
SYN go-ahead :
The government has decided to give the green light to the plan.
noun
[ sing. ] permission for a project, etc. to start or continue
SYN go-ahead :
The government has decided to give the green light to the plan.
Oxford Advanced Learner's English Dictionary. Оксфордский английский словарь для изучающик язык на продвинутом уровне. 2005