wall of hewn stone

The city was almost square, guarded by double walls of hewn stone.

He has a noble palace, and a park of about three thousand acres, surrounded by a wall of hewn stone twenty feet high.

From the sea, El Jadida's old city; has a very "un-Moorish" appearance; it has massive Portuguese walls of hewn stone.

And then, of course, when they reached the great city, with the massed towers, the many roofs showing above the walls of hewn stone, and thousands of people going this way and that, halting progress in the most infuriating way, Balthazar must choose to be difficult.

Unlike the palisaded strongholds of the cantrev lords, Smoit's castle was a fortress with walls of hewn stone and iron-studded gates thick enough to withstand all attack; the chips in the stones and the dents in the portal told Taran the castle had indeed thrown back not a few assaults.