绿灯 (綠燈) lǜdēng

lǜdēng noun green light
Domain: Modern Chinese 现代汉语 , Subdomain: Transportation
Notes: (CC-CEDICT '綠燈')

Contained in

• 开绿灯(開綠燈) to give the green light; to give the go-ahead
• 红绿灯(紅綠燈) traffic light; traffic signal