green light, the

Permission to go ahead, as in The chief gave us the green light for starting this project. This term originated in the late 1800s for the signal used by railroads to indicate that a train could proceed. It was transferred to more general use in the first half of the 1900s.

Common Names:

Name	Pronounced	Usage
Read	REED	English (Rare)
Lysander	-	Ancient Greek (Latinized)
Izotz	-	Basque
Oana	WAH-nah	Romanian
Haul	-	Welsh
Beatrice	['bi:ətris]