fortress

the legionary fortress of Isca.

capture the fortress from within

The fortress is an imposing building.

the fortress commands the shortest Channel crossing.

the fortress is perched on a crag in the mountains.

They yield ed the fortress to the enemy.

The easiest way to capture a fortress is from within.

The strong fortress mocked the invaders.

he had proved himself to be a fortress of moral rectitude.

We fortressed the city against the anticipated flood.

They hoped to get into the enemy fortress under cover of darkness.

Introduced in 1938, the Flying Fortress was the best heavy bomber of the first part of the war, but by later standards it had a fairly small bombload.

The B-17 Flying Fortress "Fuddy Duddy" put on a great show, repeatedly barrelling around the corner past the appreciative crowd.

Some systems, like Fortress (Mirage Dental Co.) and Cerinate (Den-Mat Corp.), utilize a direct build up of a ceramic on a refractory die or on a master die swedged with palladium or platinum foil.