A Scottish surname from Scottish Gaelic. / A male given name from the surname. / A city, the county seat of Starke County, Indiana, also in Center Township.

Ellipsis of Knox Box.

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.

One of 102 counties in Illinois, United States. County seat: Galesburg. / One of 92 counties in Indiana, United States. County seat: Vincennes.