embrasure

Chess, by and large, is a war game played by nonmartial people who would have trouble identifying the business end of an M16 or explaining the difference between an embrasure and a sally port.

They can also see gun embrasures in the basement, swords from medieval wars and a passageway, now closed off, that was used as an escape route.

This was the only entrance to the tower; but many tall windows were cut with deep embrasures in the climbing walls: far up they peered like little eyes in the sheer faces of the horns.

Now they sat side by side again in the embrasure looking eastward, where they had eaten and talked the day before.

She left the fireplace and drifted over to the great embrasure of the window.