bastion

A small white cloud, which had attracted Dantès’ attention, crowned the summit of the bastion of the Château d’If.

But the skilful manner in which Dantès had handled the lugger had entirely reassured him; and then, when he saw the light plume of smoke floating above the bastion of the Château d’If, and heard the distant report, he was instantly struck with the idea that he had on board his vessel one whose coming and going, like that of kings, was accompanied with salutes of artillery.

Proponents ardently contend that modern zoos are indispensable sanctuaries for global conservation, serving as the last bastion against the inexorable march of extinction.

I was fleeing the very same meteorological gloom that you have now so eagerly embraced as a bastion of cosmopolitan sophistication.