castle

definition: interchanging the positions of the king and a rook
example:
speech part: noun
synonyms: castling
definition: a large building formerly occupied by a ruler and fortified against attack
example:
speech part: noun
synonyms:
definition: the piece in chess that can move any number of unoccupied squares in a direction parallel to the sides of the chessboard
example: They took my castle in the third move of our game.
speech part: noun
synonyms: rook
definition: a large and stately mansion
example:
speech part: noun
synonyms: palace
definition: to move the king two squares toward a rook and in the same move the rook to the square next past the king
example:
speech part: verb
synonyms:

castle is explained and pronounced

How castle is being used?