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Architecture the main tower within the walls of a medieval castle or fortress


Inner tower of a castle.

keep, donjon

The stronghold of a medieval castle, usually in the form of a massive tower, and a place of residence, esp. in times of siege.
References in periodicals archive ?
Steadily reducing our finance costs in this way will help to keep down customers' bills in the long term," he said.
Nature's choice of predators to keep down creepy-crawlies on Californian grapes are so predatory they can put down the customers as well.
Fraser is so determined to keep down the costs of his own investigations he will borrow resources from anywhere.
Check seals on windows, doors and letterboxes to keep down fuel bills.
A NOISY neighbour was fined pounds 600 and her music equipment was confiscated after ignoring pleas to keep down the volume at her flat.
Not only will they keep your "fruit and veg" cool, but if you get yourself a large enough pair the sky's the limit as to what else you can keep down there.
Landlady Sarah Reeves, 26, bought him to keep down the grass around the Globe Inn at Sandhurst, Gloucs.