Definition
A secure area under friendly control, where the risk of attack is low enough that you might actually sleep through the night. Not to be confused with the heavily fortified government district in Baghdad, which took the name but added way more blast walls.
Example Usage
Contractors could move freely within the green zone without body armor or armed escorts.
Origin
Used generally in military operations but became famous as the specific name for the International Zone in Baghdad during the Iraq War
Fun Fact
The Baghdad Green Zone was surrounded by the 'Red Zone'—the rest of the city—creating a literal color-coded safety map where green meant 'relatively safe' and red meant 'definitely not safe.'
Source: Military operational security terminology
Related Terms
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See “green zone” in Corporate Speak, Gen-Z Slang, Pirate Speak, and more.
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