[{"Bold_text": "noun", "List Items": ["a fortified, usually walled residence, as of a prince or noble in feudal times.Synonyms: citadel , fortress", "the chief and strongest part of the fortifications of a medieval city.", "a strongly fortified, permanently garrisoned stronghold.", "a large and stately residence, especially one, with high walls and towers, that imitates the form of a medieval castle.Synonyms: château , palace", "any place providing security and privacy:It may be small, but my home is my castle.", "Chess.the rook."]}, {"Bold_text": "verb (used with object)", "List Items": ["to place or enclose in or as in a castle.", "Chess.to move (the king) in castling."]}, {"Bold_text": "verb (used without object)", "List Items": ["to move the king two squares horizontally and bring the appropriate rook to the square the king has passed over.", "(of the king) to be moved in this manner."]}, {"Bold_text": "noun", "List Items": ["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."]}]