| Castle | interchanging the positions of the king and a rook |
|---|---|
| Castle | a large building formerly occupied by a ruler and fortified against attack |
| Castle | (chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard |
| Castle | a large and stately mansion |
| Castle | move the king two squares toward a rook and in the same move the rook to the square next past the king |
| Castle | absent-minded dreaming while awake |
| Castle | absent-minded dreaming while awake |
| Castle | (of a building) having turrets and battlements in the style of a castle |