Meaning & use
castle
A large fortified building, typically from medieval times, built to defend against attack and often serving as a noble residence.
See it in a sentence
Tourists lined up to tour the medieval castle overlooking the winding river.
The king retreated to his castle after the failed negotiations with rebels.
A note on using this word
In chess, castle is also used as a verb meaning to perform the special move that repositions the king and a rook together.
Words with a similar meaning
fortresscitadel
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