castle

¹

[kas-uhl, kah-suhl]

noun

1. a fortified, usually walled residence, as of a prince or noble in feudal times.

   Synonyms: citadel, fortress

2. the chief and strongest part of the fortifications of a medieval city.

3. a strongly fortified, permanently garrisoned stronghold.

4. a large and stately residence, especially one, with high walls and towers, that imitates the form of a medieval castle.

   Synonyms: château, palace

5. any place providing security and privacy.

   It may be small, but my home is my castle.

6. Chess.,  the rook.

verb (used with object)

castled, castling 

1. to place or enclose in or as in a castle.

2. Chess.,  to move (the king) in castling.

verb (used without object)

Chess.

castled, castling 

1. to move the king two squares horizontally and bring the appropriate rook to the square the king has passed over.

2. (of the king) to be moved in this manner.

Castle

²

[kas-uhl, kah-suhl]

noun

1. Irene (Foote), 1893–1969, born in the U.S., and her husband and partner Vernon (Vernon Castle Blythe ), 1887–1918, born in England, U.S. ballroom dancers.

castle

/ ˈkɑːsəl /

noun

1. a fortified building or set of buildings, usually permanently garrisoned, as in medieval Europe

2. any fortified place or structure

3. a large magnificent house, esp when the present or former home of a nobleman or prince

4. the citadel and strongest part of the fortifications of a medieval town

5. chess another name for rook 2

verb

1. chess to move (the king) two squares laterally on the first rank and place the nearest rook on the square passed over by the king, either towards the king's side ( castling short ) or the queen's side ( castling long )

Other Word Forms

• castlelike adjective
• uncastled adjective

Word History and Origins

Origin of castle¹

before 1000; Middle English, Old English castel < Latin castellum castellum

Word History and Origins

Origin of castle¹

C11: from Latin castellum, diminutive of castrum fort

Example Sentences

From its imposing castle to its industrial past, Caerphilly is an area steeped in history, and for more than a century this constituency has voted Labour in every Westminster and Senedd election.

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"The idea that you can be good at reading people is absolute nonsense, and it's just like astrology or anything else," he said before heading into the castle.

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William arrived to meet the actor on an electric scooter that he said he used to get around the castle grounds.

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As we spoke a large inflatable dinosaur loomed over our heads, part of a bouncy castle erected for the ANO rally.

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As part of the deal, AMA members can continue to use the castle as their clubhouse.

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