Definition of Fort Knox:
United States military base located in Kentucky and considered to be highly secure and next to impossible to enter without clearance. The base serves as one of the main bases used for military training involving tanks. The term Fort Knox is also used to refer to the United States Bullion Depository, a building near the military base, which is a vault housing a large percentage of the United States gold reserves.
A US military reservation in Kentucky, noted as the site of the depository, which was built in 1936, that holds the bulk of the nations gold bullion in its vaults.
Meaning of Fort Knox & Fort Knox Definition