Definition: interchanging the positions of the king and a rook
Similar words: chess move
Definition: the act of moving a chess piece
Synonyms: castle
Definition: a large building formerly occupied by a ruler and fortified against attack
Similar words: fortification, munition
Definition: defensive structure consisting of walls or mounds built around a stronghold to strengthen it
Definition: (chess) the piece that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
Similar words: chess piece, chessman
Definition: any of 16 white and 16 black pieces used in playing the game of chess
Definition: a large and stately mansion
Similar words: manse, mansion, mansion house, residence, hall
Definition: a large and imposing house
Synonyms: castle
Definition: move the king two squares toward a rook and in the same move the rook to the square next past the king