Fort Knox
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English
[edit]
Etymology
[edit]Named after Henry Knox, the Continental Army's chief of artillery during the American Revolution and the first United States Secretary of War.
Proper noun
[edit]- A United States Army base located in Kentucky, United States.
- The United States Bullion Depository, a vault where gold reserves are stored.
Noun
[edit]- (idiomatic) A place which is very difficult to get into.
- After the security upgrades, the facility was essentially Fort Knox.
Usage notes
[edit]- The proper noun is commonly used in similes; for example, as safe as Fort Knox.