Fort Knox
Proper noun
Meaning
A United States Army base located in Kentucky, U.S.A.
The United States Bullion Depository, a vault where gold reserves are stored.
(idiomatic) A place which is very difficult to get into.
The investigators tried their hardest to get the suspect to talk but his mind was like Fort Knox.
Examples
After the Japanese attack on Pearl Harbor in 1941, the documents were moved for safekeeping to the United States Bullion Depository at Fort Knox in Kentucky, where they were kept until 1944.
At Fort Knox, he was a platoon guide and graduated from United States Army Basic Training January 18, 1964, one week before his marriage to Karolyn.
Owner of The Gathering Bakery in Fort Knox, KY, Deb Suratt, is moving to Cheyenne in January 2021 and bringing a second location of the bakery with her.
The Fort Knox Commissary has modified the way it normally does business to counter the effects of COVID-19-related issues and customer concerns.
Rose then remained at Fort Knox to assist the sergeant in training the next platoon and to help another sergeant train the Fort's baseball team.
After the physical, they sent all the draftees back home, but they kept five of us and took us to Fort Knox.”