castle
1 large fortified building or group of buildings with thick walls, towers, battlements and sometimes a moat 城堡; 堡壘
a medieval castle 中世紀的城堡
Windsor Castle 溫莎宮. =>illus 見插圖.
2 (also rook) (in chess) any of the four pieces placed in the corner squares of the board at the start of a game (國際象棋的)車. =>illus at chess 見chess之插圖.
3 (idm 習語) (build) castles in the `air/in `Spain (have) plans or hopes that are unlikely to be realized; day-dreams 空中樓閣; 白日夢. an English-man's home is his castle => Englishman (English). castle, v [I]
(as a single move in chess) move either castle to the square next to the king and the king to the square on the other side of that castle (國際象棋中的一步)用車護王.