Once this citadel is breached, the other walls can come tumbling down.
They severed the last railroad lifeline into Atlanta, making the citadel of the Confederacy as it was touted no longer tenable.
It turns out that Santorum has a deep connection to the citadel.
He hits bottom at Rocamadour, a sanctuary in the Dordogne known as a citadel of faith devoted to Mary.
She seemed to know, to accept, to welcome her position, the citadel of the family, the strong place that could not be taken.
He was lodged with a small escort, in comfortable, but defenceless, quarters in the Bala Hissar or citadel of Cabul.
Those who are interested are watching the signal station at the citadel.
After five months' imprisonment at Cahors, he was taken out and marched, as already related, to the citadel of Montpellier.
When they met in the center they were to storm the citadel on the heights above.
Of the same date are the fortifications, ramparts, and bastions, which transformed the mount into a fortress and citadel.
1580s, "fortress commanding a city," from Middle French citadelle (15c.), from Italian cittadella, diminutive of Old Italian cittade "city" (Modern Italian citta), from Latin civitatem (nominative civitas; also source of Portuguese citadella, Spanish ciuadela; see city).