Well, these two speeches always alarmed me; for the first meant that the lady’s impulse had been solely to throw down my fortifications and gain my citadel; and the second openly announced that henceforth she regarded me as her property, and counted my time as already wholly at her disposal.
There are no more uses of "citadel" in the book.
Show samples from other sources
If the citadel falls, all is lost.
The New York Stock Exchange is a citadel of capitalism.